Jang n-cheol is sent to infiltrate Japan to halt an assassination attempt. While there, he meets Ae-ri who has also infiltrated the underworld in order to track down the killer of her parents. The two team up to bring the crime world down
Kyeong-ah has no idea where her husband has gone and is confused about why she and her young children are being harrassed by gangsters. She finds a protector in 'Lefty' and the two begin to fall in love