
High-powered career woman Abby O'Brien has made it out of her hometown of Chesapeake Shores and into the big city -- New York. When the divorced mother of twins takes a trip home, she is confronted with people from her past -- including high school sweetheart Trace, uncompromising father Mick and esteemed grandmother Nell. It is this look into her past, combined with a realization that her career is restricting her ability to be a hands-on mother to her daughters, that leads Abby to consider making a permanent move back to Chesapeake Shores, which she does.

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.

Kevin learns something new while David questions what he thought was true; Bree finds out that she and Luke share a birthday; Kevin discovers the gender of the baby; David confronts his father.