A couple is viciously assaulted while vacationing over the Fourth of July weekend; authorities find Diane in the throws of death and evacuate her to the hospital. The local authorities proceed with an in depth search that holds no evidence of the attacker. Diane's older brother Kevin enlists the help of four college friends to seek out the elusive masked murderer. As their search progresses the youths come across a remote lodge that holds pure hellish terror and the friends soon find themselves face to face with the infamous serial killer Tyler Hillburg!