When the key witness to a company's deadly chemical spill is murdered inside FBI headquarters, King and Maxwell are trapped in the building. With a killer on the loose and Special Agent Rigby's career on the line, they have only hours to solve the murder and find a new witness to testify at a Senate hearing to bring the company to justice.
Elenco: Jon Tenney , Rebecca Romijn , Ryan Hurst , Michael O'Keefe , Chris Butler .