Revolves around an elite team of FBI profilers who analyze the country's most twisted criminal minds, anticipating their next moves before they strike again. The Behavioral Analysis Unit's most prominent agent is David Rossi, a founding member of the BAU, who returns to help the team solve new cases, while pursuing some unfinished business of his own. Each member brings his or her own area of expertise to the table as they pinpoint predators' motivations...

Through a series of misunderstandings, Alvin, Simon, and Theodore come to believe that Dave is going to propose to his new girlfriend in Miami, and dump them. They have three days to get to him and stop the proposal, saving themselves not only from losing Dave but possibly from gaining a terrible stepbrother.

The Behavioral Analysis Unit's founding member Agent David Rossi returns with his elite team of FBI profilers to stop the country's most twisted criminal minds before they strike again.