Mousetrap finale twist reveals the identity theft that helped but caged Moon-jae forever

Netflix's latest Korean mystery series, Mousetrap, was released on August 28. The series consists of a total of ten episodes and stars Ryu Jun-yeol in the lead role alongside Sul Kyung-gu and Lee Kyuhyung.

The mystery series revolves around Moon-jae, a writer whose life is taken over by a man called The Rat, which leads to real Moon-jae losing his identity. If you're wondering who stole Moon-jae's identity and what they want from him, the series, in the end, reveals that his own past is the reason his life started going wrong, as the person stealing his identity was none other than Yu Min.

At the same time, it is revealed that Moon-jae only became successful because of Yu Min's work, which he stole and used as his own. Even though he is free at the end, Moon-jae still feels guilty about what he did, as he cannot escape his past and gets trapped forever.

Mousetrap finale recap: What happens to Moon-jae?

The Netflix series Mousetrap revolves around Moon-jae, a novelist who likes his own space. However, one day, while unlocking his phone, he comes to realize that someone who goes by the name "The Rat" has taken over his identity, as his fingerprint does not work. At the same time, he and his friend also go missing, after which he becomes suspicious and decides to track this new person down who stole his identity.

Viewers also meet No-ja, a detective and loan shark who had previously lent money to Moon-jae. Moon-jae decides to take help from him, and the two decide to work together to find this new person who stole Moon-jae's identity.

However, this hunt isn't easy, as No-ja gets attacked by a criminal, Seung-gyu, which leaves him injured. On the other hand, Detective Park Sun-yong also starts his own investigation.

Mousetrap finale recap: Who stole Moon-jae's identity and why?

Mousetrap finale brings a shocking twist for people who believed Moon-jae was his real identity. In the finale, it is revealed that Moon-jae's real name was Park Chan-u. And in the past, instead of keeping his identity as Park Chan-u, he took the identity of Moon-jae.

Things become even more complicated when the story goes back to Moon-jae's college years. During that time, he became jealous of Yu Min because of his growing closeness with Min-yeong. He later exposed details about her personal life. Moon-jae also used Yu Min's work as his own after he found his notebook, which led to major recognition, and he earned the tag of a successful writer.

But Moon-jae's past comes back to him in the present when Yu Min steals his identity, putting him in the same kind of trouble he once caused for someone else. Yu Min, after learning about Moon-jae's actions, even tries to expose him, but instead Moon-jae faces him on the ship, and after a confrontation, he throws him out in the water rather than letting the truth about his past come to life. Moon-jae says it was self-defense to protect himself, but Sun-yong understands what happened and sees the truth about his brother’s past.

Mousetrap ending explained: Moon-jae gets trapped by his own mind

The Mousetrap finale reveals that Moon-jae's ending is not as happy as he thought it would be, as he faces the consequence of his actions. After finding Yu Min's book that explains everything Moon-jae did, he decides to change it and save himself, but he could not. It just shows that his whole career was built on Yu Min's work and his ideas, and nothing was actually his own, which is why he couldn't write.

On the other hand, No-ja chooses to leave his old life and turns down Moon-jae's money after his right arm stops working.

The story ends on a dark note as Moon-jae becomes trapped in his own mind when he sees Yu Min at his door. In real life, it was actually Seung-gyu at the door. It shows that even though he got away with Yu Min's death, he still cannot escape the weight of what he did.

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Mousetrap is streaming on Netflix.

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