Broadway producer Peter Duluth sought solace in a bottle after his wife's death; now, two years later and desperate to dry out, he enters a sanitarium, hoping to break his dependence on drink - but the institution doesn't quite offer the rest and relaxation he expected. It soon becomes clear that a homicidal maniac is on the loose, and, with a staff every bit as erratic as its idiosyncratic patients, it seems everyone is a suspect ...