When an actor throws an impromptu soirée at his Hollywood home, with only his closest friends in attendance, a fun evening devolves into something much darker after he makes an unexpected announcement to the group.

A university research scientist, about to lose funding and status, has a lab accident and discovers he can see people's true intentions -- making his situation even worse.

Based on a true story, Scorpion is a high-octane drama about eccentric genius Walter O’Brien and his team of brilliant misfits who comprise the last line of defense against complex, high-tech threats of the modern age. As Homeland Security’s new think tank, O’Brien’s “Scorpion” team includes Toby Curtis, an expert behaviorist who can read anyone; Happy Quinn, a mechanical prodigy; and Sylvester Dodd, a statistics guru.

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.