Maddie, a teen stuck in the afterlife investigating her own disappearance, goes on a crime-solving journey as she adjusts to high school purgatory.

Natalie and Nick are frustrated with their luck in romance. After tossing coins into a fountain, the two then begin dreaming about each other. But, according to fountain mythology, they only have a week to turn those dreams into reality.

100 years in the future, when the Earth has been abandoned due to radioactivity, the last surviving humans live on an ark orbiting the planet — but the ark won't last forever. So the repressive regime picks 100 expendable juvenile delinquents to send down to Earth to see if the planet is still habitable.