Tom Barnett

When an enraged gunman takes a hostage in a public square, the team must take drastic action and deal with the consequences.

Determined, aspiring investigator Maxine Carlson hopes to join a top crisis and hostage negotiation team run by Eric Beaumont. But she hides a secret that could jeopardize a Denver case as the team races to find a missing child.

When Rachel makes a promise to Sarah, it comes with a hefty price; Coady and Benchman scheme to track down the Castor Original.

Paul finds the truth behind the Castor Boys' logbooks of names, pushing him into action; Felix is desperate for info on Sarah's whereabouts.

Sarah, Felix and Mrs. S take a trip with the hopes of tracking down the Castor Original, however, they are not alone.

Team One must keep the peace when a volatile man goes to extremes to set things right with his ex-wife and estranged daughter.