Abby is a pregnant woman with a curious new boarder in the apartment over her garage. Turns out he's heaven-sent and is speeding along the Apocalypse by bloodying rivers, egging on plagues and following scripture word for word.

Andie Bergstrom, an astronaut eagerly awaiting her first trip to space, runs a summer camp for teenagers with her NASA-employed husband, Zach. One night during an engine test, Andie and four teenage campers are accidentally shot into space. Together, the group -- which includes Kathryn, a pilot-in-training, and Tish, a ditz with a perfect memory -- must work together to operate the spacecraft and return home.