Hundreds of years from now, the last surviving humans discover the means of sending consciousness back through time, directly into people in the 21st century. These "travelers" assume the lives of seemingly random people, while secretly working as teams to perform missions in order to save humanity from a terrible future.

A naive and socially repressed June hits the road with her new boyfriend, Max, on their first romantic trip down the coast. When a hitchhiker suddenly winds up dead in their RV, June can't deny the overwhelming thrill and lust for blood.