During the outbreak of the Sinp-Japanese War, Ho See Kei lost his wife Lan and his daughter while also being separated from his son To and his maid Sister Five. After the war, Ho became the headmaster of an orphanage and foils orphan Sam's plan to rob rich man Cheung Kat Cheung and widow Yiu So Fung. Ho persuades Sam to rehabilitate and returns the things that he had stolen. Ho invites Fung to teach at the orphanage while also successfully persuades Sam to enter school. One night, Sam misses his family and quietly leaves to see the Cheung family's maid Sister Five. Fung mistakenly thought he was joining the gang and scolds him. Sam was displeased at Fung and plays a trick on her, which leads to punishment from Ho. 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 son. Sam fails to save Sing and got his ear cut of by Lung. He the struggles to return to the orphanage where he acquaints with his father Ho and he repents and leads to police to rescue Sing. ~~ Based on the novel of the same Chinese title by Au Yeung Tin.