Finn, a poor young man, hides his straight identity to work as a high-paid male-love toy tester and support his mentally impaired sister. Chairman Theodore takes an interest and forces him to play his lover. Selena and Julian keep setting traps, using his sister to tear them apart. Under family pressure, Theodore stages a fake engagement. Finn, knowing nothing, leaves heartbroken and sinks back into poverty. A year later, they meet again in despair. The misunderstanding clears, Finn admits his true feelings, and they break through every obstacle to marry.
