Nashville is calling Trace, but leaving town creates a difficult distance between he and Abby. Trace hits the road to record an album with his ex-girlfriend Leigh, 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. Ready to move on from his past relationship, Kevin tries to impress a free spirited firefighter on their first date. As Mick continues his plans to develop family land, Nell attempts to have him reconcile with his brother, Thomas.

In "Buried Treasures," the O'Briens dig up the past - both literally and figuratively - on "Chesapeake Shores." 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. At her bed and breakfast, Jess deals with a high maintenance customer, but gets more than she bargains for when his true identity is revealed. Mick and Thomas continue to spar over a family land development deal, never seeing eye-to-eye about the past or the future. Megan reconnects with the family by giving Connor dating advice and tutoring her granddaughters.

A viral video and a birthday have two residents of "Chesapeake Shores" receiving special treatment in "The Royal Court." After his band's music 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. Kevin finds inspiration to follow his passion on a trip to visit one of his fallen army friends' mothers with Bree. Watching the shop in Bree's absence, Jess discovers that running a bookstore is not as easy as she thought. Connor turns to Danielle when he finds his career direction shifting. After Mick refuses to use incriminating information against his brother Thomas, he must find a new investor for his development deal.

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.

Trace returns to Abby after three months on tour, only to discover a family in turmoil. Bree's completed manuscript turns out to be a thinly veiled story of the family. Mick ends the fight over the family trust but begins a feud with Connor.

Jess and Bree discover David's parents' secret plans. Abby joins Trace on tour. Thomas's vow renewal sparks Mick and Megan to re-examine their own relationship. Connor reconciles with Kevin.

Chaos reigns with the closure of The Bridge, the O'Briens are at war over Bree's manuscript, Kevin is heartbroken visiting Sarah's family in Philadelphia, and Trace realizes that he might not return to Chesapeake Shores.

After a stressful deposition, Abby reconsiders her priorities and the future of her career with Jay's support. Trace reaffirms his commitment to Chesapeake Shores when he offers to buy Mick's share of The Bridge. Jess and David receive guests at the B&B earlier than anticipated. Kevin and Sarah struggle to see eye to eye about what their future together holds. Meanwhile, Bree prepares for the premiere of her play, and Connor pursues a new job.

Abby's official first date with Jay gets awkward when they show up to the same restaurant as Trace and Emma, revealing lingering chemistry between the former couple and causing Trace to reconsider recording a duet album with Emma. Meanwhile, family drama bubbles beneath the surface of O'Brien family celebrations. Standing at personal and professional crossroads, Trace and the O'Briens all have important decisions to make.