Anna receives a threat. Mary Ann tries to make amends with Brian. Jake and Margot go to the party where Jake's Sister is going to reveal the sex of her baby.

Mary Ann asks everyone to help Barbary Lane and tries to get along with Shawna. Michael spends the night with old friends and argues with Ben.

Shawna tries to learn more about her story. Mary Ann helps Sam investigate Anna's past. Benn changes his mind about Michael's house.

Racing against time, Mary Ann, Michael and Brian follow leads to learn who's threatening Barbary Lane. Anna seeks forgiveness from an old friend.