Nanako started working at a club to repay her husband's debts, but the man she met there was actually a human trafficker. Taken in as his mistress, Nanako finds herself unable to break free from their relationship. One day, her husband becomes a target for assassination after attempting to default on his debt, forcing Nanako to take desperate measures—she grabs a pair of scissors and makes a final, deadly choice. Arrested for murder, Nanako is imprisoned, but upon learning her husband has gone missing, she resolves to plunge back into the underworld and attempts a desperate escape.