Policeman Han Jong-sik (Kim Seung-woo) is a ruthless person. In order to solve the case, he arrested and detained innocent people many times, and thus killed his wife. In order to perform a heart transplant operation on his seriously ill daughter Minji (Kim Sae-ron), Han Jong-sik accepted a bribe and arrested the magician Luo Shangwan (Sun Binghao) as a murderer according to the other party's request. Luo Shangwan met other innocent people who were imprisoned by Han Jong-sik in prison, but did not prepare to retaliate against Han Jong-sik under the latter's persuasion. On the other hand, Luo Shangwan's wife and daughter outside the prison were discriminated against and lived in poverty. Two years later, new evidence was discovered that proved Luo Shangwan's innocence, but at this time, Luo Shangwan received news of the death of his wife and daughter. Luo Shangwan, who was desperate, decided to retaliate against Han Jong-sik. At the same time, Luo Shangwan's brain-dead wife became the source of Minji's transplanted heart...