After a catastrophic car crash, a young woman wakes up in a survivalist's underground bunker, where he claims to have saved her from an apocalyptic attack that has left the outside world uninhabitable.
The USS Enterprise crew explores the furthest reaches of uncharted space, where they encounter a mysterious new enemy who puts them and everything the Federation stands for to the test.
A boy haunted by visions of a parallel world aids its disillusioned guardian in preventing the destruction of the nexus of universes known as the Dark Tower.
