Mystery Files - Season 1 Episode 20

LEI was kidnapped by KWAI. NAM was searching for LEI but ran into a dead end. YIN found LEI by locating her ring. KWAI stabbed YIN but was stopped by LEI. LEI was seriously hurt. Because of that KWAI committed suicide. YIN carried LEI away, but she died on the way. YIN was very sad. On Valentine's day,. he sat pointlessly on the sea front. The time traveller appeared. YIN asked for his help and wished to rewrite the history. YIN went back in time to the night before LEI was kidnapped. YIN rushed to save LEI but was hit by a car. He only regained conscious the next morning. YIN hurried to stopped KWAI and took his knife away, but KWAI had another one. LEI was still hurt. YIN was very upset. Fortunately however, NAM sent for a helicopter and took LEI to the hospital. Finally YIN and LEI could be married.