As Abby sends her girls off to their first day at a new school, conflict arises between Trace and Wes about their roles in the family—complicated further by a Nashville recording label taking interest in Trace’s new demo with a former flame. Mick butts heads with his brother over family land.

Trace hits the road to record an album with his ex-girlfriend but has trouble channeling creative inspiration while he is away from Abby. A well-intentioned Jess creates trouble for Bree when she advertises that a famous author will attend a book reading at Bree’s new bookstore.

While Jess and Bree in Maine visit David and his fabulously wealthy family, Trace's role in Abby's family is questioned. Meanwhile, everyone helps out running the B&B and Wordplay, and Connor learns the truth about Danielle.

While Jess and Bree discover David's parents' secret plans, Abby joins Trace on tour, realizing that it will be impossible to stay clear of Trace's newfound fame. Thomas's vow renewal sparks Mick and Megan to re-examine their own relationship, as Connor reconciles with Kevin.

Trace discovers that The Bridge has fallen into debt while he was on tour in and tries to repair the damage. Trace’s discovery prompts Mick to reconsider the terms of their partnership and to put aside friendship and family when business is at stake. Abby works to try and balance her stressful workload with being a “super mom” to keep up with Wes’ new fiancé. Jess is suspicious when David’s sister arrives in town looking for help with the business. Bree asks Nell to read her manuscript, but realizes the real test will come when she gives it to Megan. When Kevin doesn’t receive a job offer near Chesapeake Shores, Sarah considers relocating for a dream job. Facing relationship troubles of his own, Connor goes up against an ex-girlfriend in court. Meanwhile, Megan plays hardball when the mayor eliminates her job at the Arts Counc

Abby develops an unexpected friendship with a client, while Trace faces conflict at The Bridge. Though initially hesitant to work with her ex-husband’s fiancé, Abby helps her out tremendously and builds a new rapport with her while on a project. Trace, however, has a more difficult time at work and considers putting his friendship with Mick in jeopardy during a professional disagreement. Kevin graduates from his EMT program, but the reality of he and Sarah moving apart looms over the happy occasion. When Connor’s ex-girlfriend offers him a job, he senses familiar romantic feelings developing. At Nell’s urging, Bree shares her manuscript with Megan and begins to realize there are two sides to every story. Meanwhile, Jess receives devastating news about the inn that she fears will impact her whole life – including her future with David.

Kevin mulls marriage with Sarah; Jess and David run their new B&B in Tanglewood; and Abby and Mick both discover that their careers are in jeopardy.

A legend visits Trace as Megan plans Kevin's wedding; Jess and David discover their past can't be repaired, and Simon joins Bree as her play begins rehearsals

Trace rethinks sharing ownership of The Bridge with Mick. Jay helps Abby reconsider her priorities. Jess and David find themselves hosting guests before they are ready. Connor pursues an intriguing new opportunity. Kevin and Sarah discuss their future. Bree prepares for opening day of her play.

As season four comes to a close, Trace and the O’Briens face decisions affecting their personal and professional lives. Trace weighs his relationship with Emma against her musical potential. Abby and Connor consider new career paths, while a new agent has Bree questioning what’s next.

As work continues on his hotel, Evan and Abby learn a bit more about each other. Evan stays a night at Jess's B&B.

Jess and David's wedding is here, but the O'Brien family still has a lot to face before the celebration. Abby and Evan get into an argument over his hotel, threatening the entire project.

Evan finds himself wondering if he has feelings for Abby; Luke is threatened.

Luke’s court case is here and Connor comes to his defense despite personal risks. Abby faces a romantic dilemma when Evan declares his true feelings and Jay wants more than friendship.

One of the O’Briens wrestles with a problem. Abby and Evan participate in a Road Rally, Connor breaks out of the house, Bree helps Luke with nightmares, and Mick and Megan discuss their pasts.

Sarah and Kevin come together with exciting news. Connor and Margaret’s law firm struggles to make ends meet, and when Mick’s pill addiction starts to noticeably affect his life, the O’Briens must rally together and stage an intervention.

A fortune telling machine shares uncomfortable truths with the O’Brien couples. Mick and Megan struggle with their long-distance relationship, Abby’s more comfortable with her new romance.

Various issues are troubling the O’Briens. Mick is in denial about his addiction. Margaret passes the bar. Jess pursues a new idea, and Bree tries mending the rift between her and Luke.