Ho goes to Cheung 's house to understand the situation and discovers that Sister Five was his maid before the war , while also discovers that Sam is his son .
Triad leader Kwo - kong Lung takes the chance to threaten Sam to kidnap Cheung 's son Sing .
Ho goes to Cheung 's house to understand the situation and discovers that Sister Five was his maid before the war , while also discovers that Sam is his Sam .
Triad leader Kwo - kong Lung takes the chance to threaten Sam to kidnap Cheung 's son Sing .