Tiffany Hwang is the daughter of the famous adventurer Stephen Hwang.

One day, Tiffany finds out that her dad is going to remarry with a successful apparel maker named Kim Miwa.

Rather than bothering them, she decides to move in to the Sunrise Residence complex that is owned by Miwa.

From there, she discovers that she has eight stepsisters.

As she gets to know all of them, will one of her stepsisters fall in love with Tiffany?