At a summer camp for youths, cockey pre-teen calls out the name of mass serial killer "Madman Marz". Suddenly, counselors are being maimed and slaughtered in various ways by the backwoodsman who has returned when his name was called.
A grieving widow is invited to her late husband's family estate, but when she is forced to stay until she gives birth, she must confront whether her child is cursed or if she is losing her mind.
