Returning for an exciting fourth season, Jonas Blane continues to lead the Unit on missions out in the field. The Unit includes Bob Brown, Colonel Tom Ryan, Mack Gerhardt, Charles Grey and Hector Williams, all highly skilled soldiers whose ability to rely on each other in life threatening situations creates their unique brotherhood. Jonas’ wife, Molly, is the base matriarch who comforts and counsels the other wives as they cope with the fear and uncertainty they experience when their husbands leave home. Molly, Tiffy Gerhardt and Kim Brown help each other and other women deal with the secret lives they must lead.