The life story of the infamous Hung Hing branch leader; Sister Thirteen.

Thirteen (Sandra Ng) and her buddy Yun (Kirsty Yang) spend their days conning people of their money and annoying her father Tat (Ng Man-Tat) for more money. One night Thirteen and Yun attend a boxing race where thirteen falls for a Tun-Sing boxer called Coke (Alex Fong).

That night Tat ends up winning the mark six lottery, earning over $600,000. He’s so happy he ends up telling all his friends and even branch leader of a rival triad group (Luen Wo Group), the branch leader – SOB mugs Tat and steals his ticket from his leaving him in a beaten state. Yun wants to teach SOB a lesson, so Thirteen agrees to sell Yun to SOB as a prostitute, although Yun plans to take his money and sneak out the bathroom window when she gets the chance.

Things go wrong and Yun escapes, but Thirteen is captured. Being beaten to a pulp, Thirteen’s father, Tat comes to the rescue wielding a big knife. Tats luck runs out when the blade breaks and SOB and his thugs kill Tat in cold blood. Thirteen is left with her father and she swears revenge.. Read More