The film is adapted from the novel of the same name, telling the story of a passionate prosecutor who is absolutely punishing evil for the second time in his life. On a rainy night, prosecutor Jin Xiyu lost the final duel with the criminal. He fell into the river and should have died, but God gave him a chance to be reborn. When he woke up again, he found himself back in high school. A revenge for justice began. Can he bring the powerful criminal to justice this time?