

On the day Natalie was discharged from the psychiatric hospital, she became unusually docile. However, her adopted sister was even more adept at pretending than she was. Her two brothers doted on their adopted sister while regarding Natalie with utter disdain, but she didn't care about it at all. Outwardly, she played the role of a well-behaved, sane person, but in truth, she had long since slipped into genuine madness!

Sharon Lucas had two adopted sons, and she had raised them all by herself. One day, she heard that she'd get $5 million relocation compensation for her old house. But her sons accidentally pushed her into the pool when arguing over the money. The next minute, a man showed up and saved her. When the man woke up at the hospital, he had already lost his memory. So, Sharon took him in and gave him the name David. But actually, David was William Lester, the chairman of Lester Group, and he faked the amnesia, trying to investigate Sharon's identity.

Lydia Nott's mother-in-law falls gravely ill, but Ian Hart, mistakenly thinking the ambulance is for Lydia's ex-boyfriend, blocks its path. At the hospital, he refuses to donate blood and even destroys the blood source needed for the rescue. Despite Lydia's efforts to find help, her mother-in-law dies. Ian skips the memorial to attend Ivy Scott's birthday, only to learn the truth too late. When he tries to expel Lydia from the Hart family, he discovers she's the rightful heir. Stricken with guilt over his mother's death, he is left to face the consequences of his actions.