A romantic story which involved hardships, friendships, and rivalries of young, rich heirs led by Kim Tan and a girl named Cha Eun-Sang.18-year-old Eun-Sang lives with her mother who is mute. Her mother works as a housekeeper and she also works part-time jobs to help out. Meanwhile, Kim Tan is not your typical high school student, but a handsome and wealthy Korean heir to a large conglomeration. The two met each other in Eun-Sang’s difficult situation, and later on found themselves to be more attached to each other than they could even imagine.
- Lee Min-ho as Kim Tan
- Park Shin-hye as Cha Eun-sang
- Kim Woo-bin as Choi Young-do
- Kim Ji-won as Rachel Yoo