A new six-part epic covering thirty years of Star Trek ® history, continuing with an adventure that takes place during the historic five-year mission!

A few years after the disaster on Mestiko, the Payav are struggling to rebuild in the wake of the pulsar's damage. The Starship Enterprise returns with a plan to help restore the planet's atmosphere.

But the Klingon Empire has also taken an interest in Mestiko, and has come to the aid of one of the world's many factions. Captain James T. Kirk finds himself once again pitted against the Klingon commander Kor, with the fate of Mestiko at stake.