After a night out of partying Ava wakes up and sneaks back home only to find that somebody's already in her bed and they look exactly like her. Ava learns that a time-traveling fugitive has stolen her body and she is now a ghost and

After a meteor shower strikes Los Angeles, toxic smoke is released across the city causing people to physically change and become violent. A small group of survivors plans to vacate the city by heading to the coast.