/// MISSION BRIEFING

A family consisting of a father, mother, son and little girl. The father and mother die in an accident, and the two children go to live with their uncle who treats them harshly, which prompts the boy to leave his uncle's house and rush into the path of crime and deviance, while the girl stays with her uncle's wife. The girl grows up and enters the police academy, and by chance she catches her brother red-handed in a drug case.