Someone warns on the Internet that the Hong Kong Convention and Exhibition Centre will be bombed real soon. To avoid any possible eventuality, the Regional Crime Unit is put in charge of the security operation around the Centre. LAI who is on duty inside the Centre is shocked to hear that POK is the winner of the Outstanding Achievement Award in Physics. It is not until this point that she comes to realize that POK is an internationally renowned physicist. While watching a football match on TV, HANG gets a call from a taxi driver, who is taking KA’s Brazilian friend RACHEL to his home. HANG is so captivated by RACHEL’s beauty and vivacity. He needs to keep reminding himself of her relationship with KA so as to resist her seduction. The 3-year-old CHAN CHI-MAN is suspected to have been poisoned, and LAI is assigned to handle the case……