Mick and Megan reunite in the thrilling finale. Sarah and Kevin's baby arrives, starting a week of celebration bringing the O'Briens together one last time in Chesapeake Shores.
Mick gets closer to the ones he loves while Evan and Luke push themselves away. Mick continues to rebuild his relationship with Megan. Luke recovers from a gunshot after stopping a robbery.
Secrets are exposed to reveal the past can't be escaped. A DNA test reveals a location for Evan's father. Jess hosts a historical reenactment. A Hollywood star comes to offer Bree a movie deal.
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.