Episode 24 - S1.E24

Aiming at defeating LING's business, SZE joins the WAH's company, which is the direct counterpart of TONG's. SZE pretends to leak confidential information to LING. This causing total failure of TONG in an auction. LOK gets suspects and tries to inspect SZE. Finally, he discovers that SZE, together with WAH's, betrays TONG's family. He is really mad and totally disappointed. LOK tries to save TONG's business. He volunteers to go to Japan to deal with clients. Unfortunately, he passes away in an air-crash.