CHI-YAN and CHI-LEI decides to watch the concert of a superstar on Father's Day. MA KEUNG misconceives that they want to celebrate Father's Day with him in this way and he is overjoyed. MA KEUNG calls YING Sir and learns that MA FU will be occupied on Father's Day. MA CHONG says that this is normal. He remembers that when he was a kid he used to bring a cake to the prison with his mom to celebrate Father's Day with MA FU but MA FU was busy and didn't show up at all. MA CHONG and his mother were so disappointed that they never celebrate Father's Day with MA FU again. MA FU and CHIU Sir return Hong Kong earlier than expected. They meet YING Sir and YING Sir recalls that MA FU tried not to meet up with his wife and MA CHONG during that Father's Day because he didn't want them to see his injury after a fight with the prisoners……