a restless crowd and a cheesy double feature lead to two brutal killing at a drive in . detective koch and o leary assemble a mixed cast of suspect that would make even charlie chan cringe . be it the deranged knife thrower the foul mouth bigot the projectionist the janitor or the pathetic voyeur . cold razor sharp steel slice through warm flesh and hot blood squirt over the screen a patron be splatter across the hood of car and even dismember at the concession stand . star bruce kimball adam lawrence douglas gudbye and verkina flower . executive producer rochelle weisberg . story by stu segall write by george buck .