Ching asks Tsing to accompany her to watch a dance performance. Tsing misses the appointment when he is suddenly stopped by an ex-girlfriend, Mimi, who asks him to negotiate with a usurer for her. Wai happens to visit Tsing and thus Ching asks him to go with her instead. When Wai takes Ching home, they come across Mimi fooling around with Tsing in the streets. Ching becomes more furious when later Tsing lies to her about missing the appointment. Fong is much annoyed when Tsing keeps on asking her for information. Astonished to find that someone messes up her clinic on purpose, she agrees to supply he-r patients' data for Tsing's reference. Tsing is assigned to protect Fang day and night. However, the two do not get along well and often try hard to trick the other. On the way driving to hey clinic, Fong finds that her car has been treated and she cannot stop it……