On the birthday of his daughter, a middle-aged man, Wu Daxiu, was abducted and disappeared by an unknown person on his way home drunk. For this reason, he was imprisoned in a mysterious private prison for no reason. Wu Daxiu, who was unsuccessful, watched TV every day and ate fried dumplings for three meals. Through TV, he learned that his wife had been killed, his daughter's whereabouts were unknown, and he was even suspected of being the murderer. At this point, Wu Daxiu began to exercise, determined to take revenge, and spent a long 15 years in prison.
When Wu secretly dug through the wall, he was released one day and was able to see the sky again. He desperately searched for the reason why he was kidnapped and imprisoned, and launched a crazy revenge plan. He met a young sushi girlplayed by, and used his old classmates to pursue her enemies, and successfully punished the prison guardplayed. At the same time, behind-the-scenes enemy Leealso surfaced.
