CHAK-LAM has been ill at ease ever since he found out about YAU’s secret. He turns to SHUI for help. KAU and SHUI probe into two of the shipwreck survivors, one of which is the wife of a famous Chinese opera singer, and the other the son of a dried seafood shop owner. They have not found anything suspicious about them though. Later, TUNG is astonished to find that YAN, her supervisor at work in the past, was the third survivor. The trio believes there is a secret between TUNG and YAN. TUNG tells KAU what it is all about. YAN tells TUNG the shipwreck is not a normal shipwreck. SHUI discovers that the Chinese opera singer and his wife are not on good terms. He is determined to dig further deeper into the matter. The loan shark is running after SUET. The manager of the nightclub suggests her to reform the Singing Queen with TUK-LAM playing FA. YAU goes to TUNG’s detective agency to ask CHAK-LAM to teach him to dance……