As Abby and the rest of the O’Briens prepare for the town’s annual lantern festival, Trace must return to Nashville to face a mistake from his past. Mick takes his granddaughters back-to-school shopping while covertly working on a business deal that is bound to cause family conflict.

Mick makes some unpopular business decisions when he plans to sell the nightclub that he and Trace had built together. When planning her cousin’s wedding goes awry, Jess turns to an unexpected source for help. Bree fights to regain control in the production of her play.

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.

Nell discovers a treasure map that Bree made as a teen, leading Bree and Kevin to hunt for a family time capsule in the backyard. While Trace is in Nashville fighting his producer Mark Hall to keep Leigh on an upcoming album at the risk of his own career, Abby meets a handsome widower in the PTA.

As the nightclub opening nears, Trace spends late nights practicing with Leigh and his band, while Mick fights city hall to receive a live music permit. Abby receives a promotion at work, but it leaves her with less time to spend with the family and Trace.

Mick receives damaging information about Thomas and considers whether to use it in their town hall debate over the family land trust. Jess plans a special meal to win David over but is fearful to take the next step in their relationship.

Away from the distraction of technology, Abby and Trace talk about their past and the future during a camping getaway. With some encouragement from Nell, Mick and Thomas try to work out their differences in person.

After his band’s video goes viral, Trace receives offers from music executives, but tries to convince his band to give Mark Hall another shot. Abby, Nell and Megan spend some family time together preparing a princess birthday party for Carrie.

After Mark offers Trace and his band a worldwide tour deal, Trace and Abby worry about how it might impact their future together. As Nell ponders a lost love from her past, Abby, Jess and Bree are faced with the possibility of losing their new loves in the present.

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.

Chaos reigns with the closure of the Bridge, and the O'Briens are at war over Bree's manuscript. Meanwhile, Kevin is heartbroken visiting Sarah's family in Philadelphia, especially after he's offered his dream job back in Chesapeake Shores. When Trace realizes that he might not return to Chesapeake Shores, his relationship with Abby is cast into doubt, as Jess wonders if her relationship with David can survive without the B&B.

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.

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

The play is in jeopardy, it's Abby and Trace to rescue. David and Jess learn to work together, Bree learns to work alone. Mick and Megan come together while Connor goes it alone. Kevin and Sara return with a surprise announcement.

Abby and Trace seem finally ready to move forward; Jess, David and Bree attempt to untangle their complicated love triangle; an emergency phone call puts Trace in trouble with the law.

On the eve of the Chesapeake Shores Regatta, with Mick recruiting family members to join him on the water, Abby finally has to make a decision whether or not to break up with Trace for good. Meanwhile, Bree's relationship with Simon is rocked when Caroline appears, and David and Jess have to finally figure out their relationship without the B&B. In a surprise twist, a letter from Ireland might decide Nell's future.

As Jess and David try to buy an inn, love and loss surround the O'Briens; Mick and Megan explore feelings; Kevin and Sarah make a decision that can upend the family; and Bree and Connor suspect true love might not last forever.

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 Kevin remains missing, Mick, Nell and the rest of the O'Brien family nervously wait for more news; Abby goes to New York to fight for custody of her daughters; Trace continues to hide from his past, but a surprising new idea may have him returning to his music dream after all.

Mick nervously faces a failing business deal; Abby is subpoenaed in the investigation against Wes; Kevin recovers from his fall at home while struggling to define his future with Georgia; Trace learns the warehouse property is still in reach.

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.

Abby is burdened by continued paparazzi attention from Trace’s growing fame. As he works through his loneliness while on tour away from Abby, Trace writes a song for Abby, which prompts an unexpected reaction from Leigh. Mick tries to repair his relationship with Connor at Megan’s insistence, but their tumultuous history makes Connor reluctant to reconcile. Kevin is concerned when Sarah seeks adventure after a near-death accident at work, noticing similarities between her behavior and his after his wartime injury. Bree edits her novel with Simon’s help, and realizes she and one of her characters share the same drive for self-preservation that stunts their relationships. Meanwhile, Jess fears her relationship with David is over.