When brusque top cop Ken (Ekin Cheng) discovers that "Mindhunter," a maniacal hypnotist, is behind a plot that resulted in the grisly recent death of a fellow officer, he's forced to enlist the help of disgraced psychologist Jack Lai (Leon Lai) to solve the case. When Ken's girlfriend, Brenda, gets involved, the investigation takes a dangerous turn. Kar Yan Lam also stars in this action-packed thriller from director Benny Chan.