Frances and Robert, having both moved on, discover that their new lives are much more complicated than anticipated. Diane has her first face to face with Nick. Dallas continues her quest to connect with her resentful son, Cole.

Tensions escalate as Robert and Jackie's wedding looms. Robert admits to pre-wedding jitters and Frances plans a weekend getaway with Henry. After a therapy session gone awry, Dallas considers what's next for her. Diane's future looks bright as she snags a big-spender.

Tom's anti-college college essay causes Frances and Robert to come to blows regarding their co-parenting styles. Robert's sister Cathy shows up unannounced, wreaking havoc. Diane bonds with a young woman at the store.

Frances and Henry share a meal with Robert and Jackie. Things go from bad to worse and both relationships are strained. Frances has a big day at work. Dallas must deal with yet another troublesome client. Diane catches the attention of an older man.

Robert and Frances are thrown together for a weekend as they chaperone Lila's away-game. Robert has his hands full trying to keep rowdy teens in line, while also clocking Frances' new flirtation. Dallas learns that she and her fellow therapists share a common problem.

As each of their relationships reach a moment of truth, Frances and Robert face the reality of post-divorce life. Frances urges her colleagues to break out of their comfort zones. Dallas discovers what she really wants. Diane reconsiders her relationship with Gordon.