Ko Fung (Roger Kwok)'s girlfriend, Lok Pui-Pui (Halina Tam) pretended to be possessed in order to scam insurance.

All was put to rest, Fung and Shan started a relationship, however Ko Fung's father, Ko Cheuk-Man (Lo Hoi Pang) was found dead in his house.

Fung searches high and low for evidence and finds a secret chamber in his father's bedroom resembling an old factory.

His cousin Chow Yi-Tung (Annie Man) confessed to the murder but is later found covering for someone else.

Fung starts to think that his girlfriend may be the true murderer... 39th TVB Anniversary Awards