A suspect is killed while the ICAC team is investigating illegal soccer gambling in Hong Kong.

ICAC principal investigator William Luk takes his job seriously, and he needs every last scintilla of support from his team to take on the powerful and cunning Supt Wong, who is corrupt to the core. Wong is an enthusiastic tool of the monstrous Malcolm Wu, a cowboy big-time share trader who will stop at nothing to secure a large slice of the upcoming float of the HK government pension fund, worth billions.

An unexpected inspector drops by a lavish party of a notable family in order to investigate the suicide of a pregnant girl. This breaks the joy and peace of the party which is meant to celebrate a couple's engagement. Everyone claims that they do not know the girl. However, the inspector does find something suspicious there with the help of a diary and a photo. An astonishing truth is gradually revealed: six of the noble family members are closely related to the girl's death.

When a young couple moves into a home, they find a mysterious doll that changes their lives forever.