Private Island.

In-ah (Son Eun-seo), Yoo-ri (Oh Da-eun) and Nana (Shin So-yul) are 3 women who are attractive enough to be called the 3 Angels. They decide to bring out the passion inside them as much as they want and go on a trip to Okinawa. On the first day, Yoo-ri easily falls in love with a gentle and attractive young man Min-seok and calm-looking In-ah feels dangerously attracted to a fund manager who is about to get married to Sarah. Sarah looks at her in a queer way. Nana who wants to make a memory she can't forget, is asked to for a threesome by Yoo-ri's boyfriend Min-seok...