Overview: Taking YAU with him, CHAK-LAM goes through a wall in the nick of time. When they are safe, she asks him to teach her the skill of going through a wall. SHUI and KAU are busy investigating the wife of the Chinese opera singer. They bump into TUK-LAM and CHAK-LAM, who are following the son of the dried seafood shop owner. Out of their expectations, their targets commit suicide. The ship that disappeared without trace six months ago appears suddenly. A dead body is found in the ship. SUET passes out at the morgue as soon as she sees FA’s jewelry. When she comes round, she has become a totally different person. TUNG tells CHAK-LAM and SHUI to check out the gold shop invoice found on the dead body. CHAK-LAM goes absent-minded once he has arrived at the gold shop. CHAK-LAM runs into YAU, who tells her the owner of the gold shop is her stepfather. FA is still missing. SUET is very upset……