Abby returns to her hometown after hearing troubling news about the family inn facing foreclosure.

Abby considers leaving her Wall Street job and has an unforeseen showdown with her ex. Meanwhile, Trace has trouble explaining why he left Nashville and Jess wants to open a new business on her own.

Abby decides to stay in Chesapeake Shores and fight for custody of her daughters. Trace deals with troubling news concerning his past in Nashville. Mick suggests that Bree remain in town in order to get over her writer's block.

Kevin's fiancée arrives in town, surprising the O'Briens. Meanwhile, Abby gets tangled in a fraud investigation; and Trace receives bad news about the water-house property he covets.

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.