Sam fails to save Sing and got his ear cut of by Lung .
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 .
son fails to save Sing and got Sam 's ear cut of by Lung .
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 .