A hardcore cop's (Sylvester Stallone) apparently delicate mother (Estelle Getty) comes to stay together progressively interferes with his life. She buys him an system pistol and starts poking around in his authorities cases. Eventually, the movie brings to a denouement involving the name of the film and also the revelation which although she seems frail and helpless she is capable of strong action in some conditions, i.e. if her boy is threatened by thugs and she pulls herself in the shoulder.