How to Kill You

Han Woo-jae put his dream of becoming a screenwriter on hold to take care of his family and support his already successful writer wife, Lee Seo-jin, until their daughter turns 8. One day, a mysterious girl approaches Woo-jae, claiming that his wife is doing "bad things" behind his back. She tells Woo-jae that she is the only person who knows all of Seo-jin's deep, dark secrets. As Woo-jae learns about his wife's past, he wonders what lengths he must go to protect his family and keep them together.

(Source: Tapas, edited)