After Mina's marriage, Chaeyoung saw his life collapsing in front of his eyes. He couldn't continue living if he couldn't touch her or see her. He decided to end his life, but destiny refused to, and then he met the clumsiest and cutest person... Minatozaki Sana.

Son Chaeyoung will replace Sana's husband who got involved in a car accident and is in a coma and happened to look like him. He will get shocked by the life of the wealthy people and will deeply fall in love with Sana who thinks that he is her bad and cold husband. A story about a stranger and a successful businesswoman.