All aboard the Lovely Lisa as the girls set sail to try to retrieve Dev's manhood, but his confidence has taken a knock. Billie proves her love life didn't end with Graham as she holds a secret passenger on board the boat. Meanwhile, Josie is forced to dodge his advances as Seb is filled with dreams of conceiving at sea.

The family's home and their future all hang in the balance in this series finale. Josie struggles to maintain her lies to Seb. Under huge financial pressure, Deb discovers her wiles might not be as powerful as she thought. Billie puts on the performance of a lifetime at the police station. Josie and Billie track down Daddy for a much-needed confrontation.