From December 1941 to August 1945, Hong Kong experienced the darkest years in history. Those 3 years and 8 months have become the collective memory of the nightmare of Hong Kong people... This war in Hong Kong is An important part of the Eastern battlefield during World War II is a history that should not be forgotten, a dark period of sad history... The TV series Qiu Chan is a youth spy drama based on this history, It tells the passionate story of the patriotic young Ye Chong and other underground party comrades fighting for the victory of the War of Resistance in those isolated island years.

影片讲述住在“幸福里”的小市民大武（陈明昊 饰），生活过得一塌糊涂，为了帮人追债认识了小男孩豆豆（陈宇喆 饰），他的世界因此似乎有了改变...嘈杂市井的“幸福里”也因此慢慢变成了一个“新世界”。

Father got leukaemia. Mother was laid off long ago. She had to borrow money for her husband everywhere. Sister went to a night club to be a waitress secretly and soon became a “call girl”. Lin was cold-shouldered at school because of father’s illness. He became disgusted of school. One day, at the riverside, he found a dilapidated ship and knew the strange “father and daughter”. Lin made friends with that girl and helped them to steal iron stone. Because of Lin’s frequent absences the teacher came to see mother. He was sympathy for her. One day, Lin discovered his teacher was at his home with mother together…Lin went to see father. He could not help emerging out such a fantasy: He pinched father’s transfusion tube…Lin came to the riverside once again, but that ship disappeared…