While Wes' new practically perfect girlfriend reminds Abby that she might be the only "mom" in Carrie and Caitlyn's life; David and Simon's presence in Chesapeake Shores puts Jess and Bree in an unusual position.
Emily goes undercover at the school to solve the chess coach's murder. Tensions rise when Sam suspects Violet's date, and the winter dance turns into a game of cat and mouse with the killer.
