In an attempt to end the standoff on Sainte Marina, Marcus and Sam enter into tense negotiations with the U.S. Government. Meanwhile, when a critical system fails, Grace must take command of the Colorado on a perilous repair operation.

Cast: Andre Braugher, Scott Speedman, Daisy Betts, Camille De Pazzis, Dichen Lachman, Daniel Lissing, Sahr Ngaujah, Autumn Reeser, Jessy Schram, Robert Patrick, Omid Abtahi, Daniel Bess, Bruce Davison, April Grace, Jay Hernandez