E16 • Episode 16

E1 • Episode 1

On the eve of her wedding, Lin Beixing is betrayed by her fiancé Zhan Yu. Heartbroken, she revisits an old phone and accidentally travels back to high school by deleting messages.

39m • 2022

On the eve of her wedding, Lin Beixing is betrayed by her fiancé Zhan Yu. Heartbroken, she revisits an old phone and accidentally travels back to high school by deleting messages.

E2 • Episode 2

Back in the past, Lin Beixing learns that top student Zhang Wansen—who later falls from a water tower—blocked her “perfect life.” She decides to save him.

44m • 2022

Back in the past, Lin Beixing learns that top student Zhang Wansen—who later falls from a water tower—blocked her “perfect life.” She decides to save him.

E3 • Episode 3

Using the phone again, she returns to senior year and tries to transfer into Zhang Wansen’s class, but he avoids her constant attempts to get close.

44m • 2022

Using the phone again, she returns to senior year and tries to transfer into Zhang Wansen’s class, but he avoids her constant attempts to get close.

E4 • Episode 4

Lin Beixing pushes Zhang Wansen to tutor her while dealing with troublemaker Maizi. Meanwhile, Zhan Yu starts developing feelings for her due to her changes.

34m • 2022

Lin Beixing pushes Zhang Wansen to tutor her while dealing with troublemaker Maizi. Meanwhile, Zhan Yu starts developing feelings for her due to her changes.

E5 • Episode 5

To keep Zhang Wansen safe, Lin Beixing tries to separate him from Gao Ge. She and Zhang confront Maizi, and their bond grows closer.

39m • 2022

To keep Zhang Wansen safe, Lin Beixing tries to separate him from Gao Ge. She and Zhang confront Maizi, and their bond grows closer.

E6 • Episode 6

Zhan Yu pursues Lin Beixing and challenges Zhang Wansen to a basketball match. During the game, Lin senses Zhang may be the boy who saved her in childhood.

46m • 2022

Zhan Yu pursues Lin Beixing and challenges Zhang Wansen to a basketball match. During the game, Lin senses Zhang may be the boy who saved her in childhood.

E7 • Episode 7

While designing a sculpture, Lin notices a mark on Zhang’s arm and realizes she has mistaken her childhood savior for years.

42m • 2022

While designing a sculpture, Lin notices a mark on Zhang’s arm and realizes she has mistaken her childhood savior for years.

E8 • Episode 8

Zhang Wansen’s feelings surface—he has always loved Lin. She begins to see him as more than a friend.

44m • 2022

Zhang Wansen’s feelings surface—he has always loved Lin. She begins to see him as more than a friend.

E9 • Episode 9

Lin learns Zhang’s mother is forcing him to give up the college exam to go abroad. Lin firmly advises him to follow his own path.

45m • 2022

Lin learns Zhang’s mother is forcing him to give up the college exam to go abroad. Lin firmly advises him to follow his own path.

E10 • Episode 10

Recalling his childhood dream of helping animals overseas, Lin encourages Zhang Wansen to pursue what he truly wants.

49m • 2022

Recalling his childhood dream of helping animals overseas, Lin encourages Zhang Wansen to pursue what he truly wants.

E11 • Episode 11

Overwhelmed by preparations for studying abroad, Zhang Wansen struggles with the college entrance exam. Lin Beixing uses his feelings for her to persuade him to stay, and they prepare for the exam together.

40m • 2022

Overwhelmed by preparations for studying abroad, Zhang Wansen struggles with the college entrance exam. Lin Beixing uses his feelings for her to persuade him to stay, and they prepare for the exam together.

E12 • Episode 12

As the exam approaches, Lin Beixing grows increasingly anxious. Seeing her unease, Zhang Wansen reassures her and promises to face the exam by her side.

40m • 2022

As the exam approaches, Lin Beixing grows increasingly anxious. Seeing her unease, Zhang Wansen reassures her and promises to face the exam by her side.

E13 • Episode 13

Lin Beixing finally succeeds and looks forward to a bright summer after the exam with Zhang Wansen. Meanwhile, Gao Ge and Yang Chaoyang unexpectedly get together. Lin’s brother Lin Dahai gets into trouble over loan sharks.

42m • 2022

Lin Beixing finally succeeds and looks forward to a bright summer after the exam with Zhang Wansen. Meanwhile, Gao Ge and Yang Chaoyang unexpectedly get together. Lin’s brother Lin Dahai gets into trouble over loan sharks.

E14 • Episode 14

After finishing his detention, Maizi reconciles with Lin Beixing and becomes friends with her and Zhang Wansen. Both receive their university admission letters.

50m • 2022

After finishing his detention, Maizi reconciles with Lin Beixing and becomes friends with her and Zhang Wansen. Both receive their university admission letters.

E15 • Episode 15

On the day they leave Nanchuan, Lao Lei causes trouble again. Zhang Wansen is pushed off a building while protecting Lin Beixing. Watching him fall, she realizes she has failed.

36m • 2022

On the day they leave Nanchuan, Lao Lei causes trouble again. Zhang Wansen is pushed off a building while protecting Lin Beixing. Watching him fall, she realizes she has failed.

E16 • Episode 16

Devastated, Lin Beixing confronts Lin Dahai and learns the truth. No matter how she deletes messages, she can’t return to the past and falls into despair.

41m • 2022

Devastated, Lin Beixing confronts Lin Dahai and learns the truth. No matter how she deletes messages, she can’t return to the past and falls into despair.

E17 • Episode 17

Lin Beixing meets present-day Maizi, who doesn’t know her and treats her coldly.

38m • 2022

Lin Beixing meets present-day Maizi, who doesn’t know her and treats her coldly.

E18 • Episode 18

Maizi reveals how Zhang Wansen had always protected her and gives Lin his diary and old phone.

39m • 2022

Maizi reveals how Zhang Wansen had always protected her and gives Lin his diary and old phone.

E19 • Episode 19

Zhang Wansen’s long-hidden feelings come to light, he loved Lin since childhood but repeatedly missed chances with her, silently protecting her from afar.

33m • 2022

Zhang Wansen’s long-hidden feelings come to light, he loved Lin since childhood but repeatedly missed chances with her, silently protecting her from afar.

E20 • Episode 20

Lin returns to high school again, this time to her first year. She reconnects with Zhang and tries to fulfill his past regrets, discovering he had already written “I like you” in his drafts back then.

38m • 2022

Lin returns to high school again, this time to her first year. She reconnects with Zhang and tries to fulfill his past regrets, discovering he had already written “I like you” in his drafts back then.

E21 • Episode 21

With limited time, Lin resolves Lin Dahai’s troubles and encourages her friends to pursue their dreams, while struggling with her feelings for Zhang.

40m • 2022

With limited time, Lin resolves Lin Dahai’s troubles and encourages her friends to pursue their dreams, while struggling with her feelings for Zhang.

E22 • Episode 22

Lin Dahai’s problems remain unresolved. Zhang discovers Lin’s diary and realizes she returned to make him give up loving her.

45m • 2022

Lin Dahai’s problems remain unresolved. Zhang discovers Lin’s diary and realizes she returned to make him give up loving her.

E23 • Episode 23

The truth comes out, Lao Lei was killed by his subordinate Xiao Hei. With everything settled, Lin rushes to the airport and finally confesses, “I like you,” before waking from the dream.

39m • 2022

The truth comes out, Lao Lei was killed by his subordinate Xiao Hei. With everything settled, Lin rushes to the airport and finally confesses, “I like you,” before waking from the dream.

E24 • Episode 24

In the winter snow, Lin Beixing deeply misses Zhang Wansen, when suddenly, a familiar figure appears behind her.

27m • 2022

In the winter snow, Lin Beixing deeply misses Zhang Wansen, when suddenly, a familiar figure appears behind her.