Grieving the loss of a best friend she couldn't protect, an ex-bodyguard sets out to fulfill her dear friend's last wish: sweet revenge.
With just one punch, a foreign merchant named Ronny (Mahbub Alam) knocks out In-Ho (Yu Jun-Sang) during one of his Taekwondo training classes. In-Ho then goes to find Ronny to recover his dignity. However, what comes next is separation from his wife and being imprisoned..
