Despite her history of transgressions, Grace and her neighbor, James, decide to give their relationship one more shot. But when James invites Grace to his job at the aquarium, she endangers his job and a species. In order to help Will deal with his anxiety about becoming a father, Jack takes him to an unexpected place to blow off steam – church. Karen finds herself in a confessional booth, and a visit from Smitty makes her reconsider their entire relationship.