A police inspector searches for a donor with a rare blood type willing to save a leukaemia patient's life - a mission which brings him into contact with three very different potential candidates. Thriller, with Jack Warner, Anthony Steel, Joy Shelton, Sid James, Thora Hird and Earl Cameron.

A 5-year-old child is diagnosed with leukaemia and has only days to live. Her only hope is a blood transfusion, but her blood type is extremely rare, so the race is on to find the donors.