![Husband’s Affair Partner Was a Transgender Woman… The Even More Shocking ‘Secret’ of the In-Laws [Tam Bi]](https://image.starnewskorea.com/cdn-cgi/image/f=auto,w=1200,q=75/21/2026/10/2026101910545469727_1.jpg)
“Detectives’ Trade Secrets” tracks suspicions of an affair between a husband and a transgender woman.
In the “Case Notebook” segment of Channel A’s “Detectives’ Trade Secrets,” airing on the 19th, a female client appears who suspects her husband has taken a mistress. The client’s suspicion began when she discovered women’s artificial eyelashes stuck to her husband’s clothes one day.
The husband claimed it was “probably picked up on the subway,” but afterward, traces of cosmetics and even the scent of women’s perfume continued to be found on his clothing. Decisively, the client became convinced of infidelity after seeing glittering nail polish on the fingernails of her sleeping husband.
Moreover, suspicious stares she had felt every time he went out for a month, along with her husband’s suddenly frequent late nights at work, all aligned perfectly. Ultimately, the client requested an investigation from the detective team, stating, “It seems my husband’s mistress is stalking me.”
One puzzling fact was that the client’s husband had been extremely conservative since their dating days, to the point of being disgusted by women who dressed up flamboyantly. The client expressed her bewilderment, saying, “It is absurd that he would have an affair with a woman of the very style he used to detest.”
As the detective team began their full-scale pursuit, they captured footage of the client’s husband meeting a woman with a glamorous appearance who drew all the men’s attention after work. He gifted her underwear, cosmetics, and clothes, and enjoyed an ordinary date together, sharing dinner and coffee.
During this time, the detective team witnessed the unbelievable scene of the two entering a men’s restroom together. Upon verification, it was revealed that the identity of the woman the client’s husband had been meeting was a transgender person.

Even more suspicious was the mother-in-law’s reaction. When the client confided in her about her husband, the mother-in-law reacted as if she knew something, saying, “So it has finally happened…,” and then ordered her to keep it from everyone.
Subsequently, a secret that the husband’s family had desperately hidden for a long time—more horrifying than the affair itself—finally surfaces. Watching this, MC Defconn exclaimed, “The affair is not the issue right now,” while sports caster Jung Yong-geum, who appeared as a one-day detective, asserted, “No viewer will be able to deduce today’s case.” The episode airs at 10 p.m. on the 19th.

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