SUN CHIU TUNG (Liza Wang) had resigned from her official duties as a madam cop due to an investigation in a mysterious case, she decided to own a private investigation centre. With fate, she met three pitiful persons - GUNG ZAK LAM (Cho Lam Wong), GUNG DUK LAM (Louis Yuen) and CHUI SUI (Johnson Lee). Due to this, TUNG acquire a premonition power ability. In addition, the three of them have their own special power abilities as well. They have "intangibility or phasing" ability, "superhuman fighting" ability and "mind control (to tell the truth)" ability. Four of them use their powers, creative disguises to solve cases.