In the near future, crime runs rampant in the streets and two major mafia groups are battling for power. In order to eliminate the two mafia groups, the Tokyo Metropolitan Police Department orders an undercover investigation of their headquarters. However, the ones chosen for the mission are four people known as "losers". Will they be able to successfully solve the case?

An action film depicting the friendship and betrayal of a group of bad girls. A yakuza movie with popular idols.