Close friends Marcus and Holly begin their freshman year at a tough public high school in Baltimore County, Maryland. When Cassie, a well liked senior at the school, disappears suspiciously, both of their lives change forever. Together, will they find out what happened to Cassie? And after a dramatic confrontation, will any of them ever be the same?

Abandoned by her dreamer single mom, a teenage loner becomes obsessed with ecological disaster, forcing her and her grandmother, a functioning alcoholic, to rethink their futures.