A class of graduating high school seniors celebrate their last night together at the annual school lock-in. They never could have guessed that they're about to encounter the legendary "Coast to Coast Killer".

A class of graduating high school seniors, nearing the crossroads of their lives, celebrate their last night together at the annual school lock-in. They never could have guessed that they're about to encounter the harbinger of death, the legendary 'Coast to Coast killer'.