With help from friends and the power of music, Sam furthers her journey to find her people - and her voice.

Fred throws Sam, Joel, and Tiffany a curveball: not only is he engaged, but he wants them all to be a part of the wedding. Tasked with singing at the ceremony, Sam seeks help from a former voice teacher. Meanwhile, Tricia can't escape small-town gossip.

As Mary Jo's behaviour worsens, Sam and Tricia grapple with the difficult decision of escalating her care. Then, as Tricia pitches her services for Fred and Susan's wedding, Joel has a crisis of faith, and Sam struggles to get back in touch with her instrument.

While on their way to Wichita, Sam and Tricia finally tell Mary Jo why they're temporarily moving her from the care facility. After accidentally blowing his own cover stalking Brad, Joel opens up about his personal crisis stemming from Fred's upcoming wedding.

While celebrating Tricia's birthday, Sam is blindsided by surprising new information about Holly. Then, as Charity's lies continue to affect Tricia's social life, Joel makes a move with Brad… which leads to a misstep with Sam.

Distancing herself from Joel, Sam concentrates on helping Tricia with her blossoming pillow business - which soon faces sabotage from Charity. Meanwhile, Fred attempts to play peacemaker with Sam and Joel.

After reuniting with Joel at a funeral, Sam takes stock of herself and her actions - and decides to make things right with her best friend. Then, everyone comes together for an epic celebration of love and partnership at Fred and Susan's wedding.