A down on his luck gambler Water Ng is a typical loser and takes no responsibility when he is asked to take care of ex-girlfriend Jik`s son, Yeung. When Jik tells him that Yeung is his son, and promises him a large sum of money, Water agrees to be a father for one month. Soon he notices that his son shows some autistic symptoms. He gets to understand the difficulties of raising a child with special needs. When Jik does not turn up at the agreed date, Water realises why she brought him his son. He finds his life goal while discovering Yeung`s talent on the racing field, and decides to accompany his son to achieve the boy`s dream.