Gong Jia Qiao, 66 years-old, becomes wheelchair-bound after a car accident. He currently sells lottery and tissue packets for a living. Over 30 years ago, his neighbour Guo Mei Li puts Ah Dai under his care but has never returned since. With an intelligence similar to that of a six or eight year-old child, Ah Dai can only follow simple instructions and is thus easily cheated. Her ex-lover Pian Lang disappeared after she becomes pregnant with his child. One day, Ah Dai meets Xiao Gan Dang, a man that looks like Pian Lang. As it turns out, Pian Lang is Gan Dangs father. Xiao Gan Dang grew up along the streets and has seen all the good and bad sides of humans. He is best friends with Mei Da Han, who is also a gangster like him, and is thrown behind bars because of a fight. After completing his sentence, he meets a social worker Qing Qing and the two becomes a bickering duo.

龚家翘现年66岁，因一场车祸而导致残疾，需要轮椅出入，以卖彩票和纸巾为生。30多年前因邻居郭美莉的请托，帮忙照顾阿戴，但美莉后来再也没出现。阿戴只有6到8岁孩童的智力，能够接受简单的指令，容易受骗,年轻时被情人骗郎搞大肚子，后骗郎不…