Tong Siu-wah is jobless. Tong shares a room with Chi-on. His neighbour Lai-ping is a factory worker. Another neighbour Siu-kuen is Manager Chin's mistress-to-be. Siu-wah never bumps into them. Siu-kuen is forced to be a mistress to pay back her family debts. Chin is about to marry Siu-kuen as his mi ...