Summary: On the eve of retirement, Kirk and McCoy are charged with assassinating the Klingon High Chancellor and imprisoned. The Enterprise crew must help them escape to thwart a conspiracy aimed at sabotaging the last best hope for peace.

Summary: The wanted criminal Richard Bruno Riddick arrives on a planet called Helion Prime and finds himself up against an invading empire called the Necromongers, an army that plans to convert or kill all humans in the universe.