They met on a beautiful and windy day. She, a not-so-beautiful but absolutely adorable girl with an unforgettable smile, is studying an enviable and popular major at a prestigious university in this province and is about to graduate; he, tall and handsome, but always has a heart-wrenching melancholy, works as a lifeguard at a high-end water recreation place in this city. It seems that people walking on two roads that never cross have created such a story like an angel and a dolphin without any preparation.