The USS Pioneer is host to a Klingon exchange officer. Captain Larta Daughter of Shog is now serving as the Executive Officer of the USS Pioneer. In the meantime Cornelius Tremble has been reassigned by the Corps. When word reaches the Pioneer that their friend and his unit has gone missing. The Pioneer breaks orders to find and save him. Can the Cure now led by Edmund Merrick and the crew of the Pioneer rescue their friend Commanding Officer? Perhaps today is a good day to die.