While dining with his father-in-law, he unexpectedly spots his wife intimately holding hands with another man through a glass window. She had just lied, claiming she was resting at home, and the lie is instantly exposed. Years of his patient devotion come flooding back. Fortunately, his father-in-law stops him from acting impulsively and advises him to stay calm and gather evidence. The family confronts them on the spot, but she keeps making excuses and trying to cover up the truth. Thus, a betrayal hidden beneath layers of lies is finally exposed, shattering their once-peaceful life.