Oh Dae-su, a businessman who has a happy life with his wife and baby, is kidnapped one day in front of his house. When he wakes up, he finds himself in a specially made cell. Dae-su, who learned that his wife was murdered, is released after 15 years of imprisonment. Oh Dae-woo swore. It will take revenge on the man who destroyed his happy life. Mido, whom he met in a Japanese restaurant, promises to help him get his revenge. Later, a man named Evergreen says he will kill Mido if he finds out why he was imprisoned within 5 days. Oh Dae-su finds the truth behind his imprisonment. Along with that another fact.
