The crew of the colony ship Covenant, bound for a remote planet on the far side of the galaxy, discovers what they think is an uncharted paradise but is actually a dark, dangerous world.
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.
After the disappearance of her scientist father, three peculiar beings send Meg, her brother, and her friend to space in order to find him.