When one of Pike’s officers goes missing while on a secret mission for Starfleet, Pike has to come out of self-imposed exile. He must navigate how to rescue his officer, while struggling with what to do with the vision of the future he’s been given.

While on a survey mission, the U.S.S. Enterprise discovers a comet is going to strike an inhabited planet. They try to re-route the comet, only to find that an ancient alien relic buried on the comet’s icy surface is somehow stopping them. As the away team try to unlock the relic’s secrets, Pike and Number One deal with a group of zealots who want to prevent the U.S.S. Enterprise from interfering.

The U.S.S. Enterprise encounters a contagion that ravages the ship. One by one, the entire crew is incapacitated except for Number One, Una Chin-Riley, who must now confront a secret she’s been hiding as she races to find a cure.