Three friends from college are now on the brink of turning 40. To attend a funeral on Jeju Island, they go on an unexpected trip as a getaway and wind up at a guest house, where water shimmers, wind blows, and pretty women are seductive, inviting the trio back to their 20s.

Korea's most popular song writer Hee-soo runs into a nineteen-year-old boy in the elevator. Hee-soo is inspired by a new song watching him shake at her figure. She starts to tell him about women under the excuse that she's teaching him music. They fall for each other but things get complicated when her life teacher, Joon-ho who taught her about life and music comes back.

Hyun-myung, Doo-yong- and Gun-woo decide to spend the night at their secret place at the pond to celebrate their last day of high school and Sung-pil’s sister Kyung-mi’s birthday. Later night as the party intensifies, Gun-woo and Kyung-mi go back home quickly to get something, however they don’t make it back. The rest go searching for them only to find Gun-woo’s broken scooter and Kyung-mi’s dead body near the verge of the town and Gun-woo is missing. Four years later, Hyun-myung comes back in town and runs into his old friends. Eventually the truth of the past unfolds.

Four high school friends maintain their ties but finds themselves in very different situations when they reach 21. Chu-won was a promising athlete but, drinking heavily and unable to get past an old flame, he ruins his prospects. Goo-rim became on idol singer, but a drug scandal has seen him fall on hard times. Seo-won, as a medical student at a top university, was faring best among them, until he is diagnosed with leukemia and falls for a teenage escort from their old high school. Meanwhile, Dae-sung is a sex addict with a penchant for mature women who dreams of making his own film.

20 year-old, Seol-hwa, is the most beautiful and pure. She works at a wine bar where men swarm just to see her. However, she is called the ice princess due to her emotionless expression which seems to hide a story. One day, to catch a glimpse of Seol-hwa, Jong-ho came to the bar, along with Do-jin who also fell for her. 
Seol-hwa is indifferent to Do-jin. Still, Do-jin invites Seol-hwa to his villa and somehow she immediately accepted. However, Seol-hwa appears in front of Do-jin with another man. Three people, and the purpose of their trips are different…

Seo-hee, Nam-hee and Lan. These three girls happen to read their tarot cards. Tarot cards tell them once-in-a-life-time opportunities will be coming to each of them simply by holding tarot cards and chanting magic spells. And the magic spells are nothing but their own names! Once their names are said, very special events begin to unfold.

Three friends in their twenties struggle with their attitudes towards men. Hyo Rin believes in free sex, Yi An believes in keeping her virginity, and Yoo Jin is popular amongst the men, but after having been raped when she was young, she likes women more. The three go to Kangwondo on a trip and seek their sexual fantasies, releasing their inner desires.