Ahn made her acting debut at the age of 12 with a minor role in a short film. In 2008, Ahn made her big screen debut in the rom-com film Hellcats. Besides her body of work in acting, Ahn is also much known for being a member of the famous K-pop girl group, Wonder Girls.
After carving successful careers in their respective fields, the previous owners of Waikiki have left except for Lee Joon-ki. While he struggles with his career, he tries to revive the guest house which is now on the brink of bankruptcy with the help of some high-school friends.