Be careful of what you wish for... Cause it may come true.... SOWONEUL MALHAEBWA! Kang Yunsoo is an ordinary 24-year-old guy who works at a famous clothing shop as a security guard. He's a guy who has a pretty normal life. Until...

Kim Taeyeon and her family faced a very bad situation. Their house was terrribly wrecked by a strong earthquake. Her family is not rich, so it's very hard for them to recover. Luckily, Taeyeon's father has a good friend who is a rich businessman whose name is Mr. Hwang. And he offered help to Taeyeon's family by letting them stay in his huge mansion.