Christine Collins is overjoyed when her kidnapped son is brought back home. But when Christine suspects that the boy returned to her isn't her child, the police captain has her committed to an asylum.

An elite team of FBI profilers analyze the country's most twisted criminal minds, anticipating their next moves before they strike again. The Behavioral Analysis Unit's most experienced agent is David Rossi, a founding member of the BAU who returns to help the team solve new cases.