Cold Blood Warm Heart ( Air Date 1996-02-05 ) Genre Drama, Crime category. Overview "Bong (Adam Cheng) blamed Sing (Kwan Hoi San) for abandoning his mother and refused to acknowledge him as his father even he was one of the richest men in town. He loved and admired his foster father Kin (Bow Fong), who was a retired cop. He and his brother Lap (Gallen Lo) followed Kin’s footsteps and joined the force. Bong’s half-brother Kei (Poon Chi Man) was involved in a murder case and Bong in turn got suspended since his superior Kin (Julian Cheung) suspected he was Kei’s conspirator. Fortunately, he was proved innocent by Hang (Eddie Cheung)......".