YAN YIN discovers that her new car has got a scratch. She takes out the driving memory card and discovers that MAN-KIT was injured. CHIU WING-HON falls down from the cliff accidentally during a trip and he has died. YAN YIN takes up the case and the beneficiary is his newly married wife LAU YUK-HING. TSUI MAN-TING is burned to death in a car and YAT-MING investigates the case. The beneficiary is her twin sister YU PIK-YIU. YAN YIN carries out investigation at WING-HON's removal company. She discovers that WING-HON's boss LAI KWOK-LIN has treated him and the other colleagues to the trip. YAT-MING discovers that PIK-YIU and MAN-TING are having opposite personalities. He thinks that MAN-TING looks familiar. YAN YIN finds WING-HON's mother. After learning that the beneficiary is WING-HON's wife, his mother suspects that it is a fake marriage. YAT-MING goes to Sham Shui Po for investigation.… ...