From IMDb:
Inspector Lawton (Dennis Price) and Sgt Todd (Rex Garner) investigate a series of murders, in which well off young women are being attacked and robbed after leaving London’s trendy nightclubs in the wee small hours. Lawton’s younger sister, Joan (Peggy Evans) is engaged to be married to a hard up novelist called Teddy King (Philip Saville) and Lawton is shocked when the evidence points to him as being the killer. However, in a showdown at the docks, it transpires that Teddy has a twin brother who turns out to be the culprit.Read More »