When Rosie and Villa discover that their murder victim has a death certificate from three years ago, they're charged with uncovering the truth around his identity. As they struggle to solve the mystery around his death, as well as around Eddie's, TMI tries to reconnect with Pippy and Donna finds it hard to keep a secret from her family.

When a boatload of Miami's hottest young partygoers discover a body during a booze cruise, Rosie and Villa must dive into the world of deep sea treasure hunting in order to solve the case.