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In a desperate bid for truth, Sohui hires a detective, Dr. Jang, to tail Mangil. The detective's findings reveal that Mangil frequents a golf course and a gym, surrounded by women, and possesses multiple marriage certificates, hinting at a darker secret. Shockingly, they even observe him drinking gasoline—a bizarre detail that leaves Sohui reeling.

Unraveling the Truth

When Dr. Jang suggests that Mangil might be an alien, Sohui finds it hard to believe. However, her skepticism wanes when she witnesses him gulping down gasoline. Meanwhile, Mangil, unbeknownst to Sohui, is plotting her demise, lacing her water with poison.