As a child, Cha Jae-Wan (later played by Lee Dong-Wook) was a beggar. He was also physically abused by the leader of a group of beggars that he belonged to. One day, Jae-Wan killed the leader of the group by accident and he passed out. When awoke, he found himself in a luxurious hotel. A man, Lee Joong-Goo (Lee Deok-Hwa), tells Cha Jae-Wan that his father, Ah Sung-Won, abandoned him and his mother. Jae-Wan vows to take revenge on his father for his deceased mother.
Now, Cha Jae-Wan works as the general manager for HOTEL CIEL. The hotel is run by none other than Ah Sung-Won. One day, Cha Jae-Wan tells Ah Sung-Won that he is his father and he should reveal that publicly. Ah Sung-Won though reacts unexpectedly and dies. After his death, his only child, Ah Mo-Ne (Lee Da-Hae) appears at HOTEL CIEL. She acts arrogant, but others are unaware that Ah Mo-Ne is actually afraid of being alone and she is also suspicious of her father's death. Ah Mo-Ne struggles to keep HOTEL CIEL.