Don't Let Your Son Fall, My Dear — Episode 4

Diana discovers that her husband, Victor, is having an affair with her best friend, Claire. Trapped in a marriage full of lies and abuse, she decides to seek revenge by inviting Leo, Claire's 19-year-old son, to move in with her. However, Leo has secretly loved Diana for years. What starts as a cold-blooded plan turns into a genuine connection, leading them to face crypto fraud, blackmail, and violent confrontations. In the end, they will have to choose between mutual destruction and salvation.