Captain Jonathan Dallas, commodore of Battle Unit 72, investigates the disappearance of a military research vessel on the fringes of known space.

When the unit is ambushed by a threat that endangers not only the fleet but also all of humanity itself, Jonathan must somehow find the resources to fight back.

Cut off from Central Command and faced with impossible odds, can Jonathan overcome his demons to save humanity and, more importantly, can he save himself?

Flagship: where captains are made. Or broken.