The romantic-comedy tells the story between a pretty boy food truck owner who settles in a spot by the Gangwon beach, and the mysterious and wacky lady he meets.

So Jin, a genetic researcher who loves DNA, decides to end her relationship with a playboy boyfriend and sets out to find a genetically compatible partner for a happy relationship. Whom among the two men that So Jin meets, obstetrician-gynecologist Yeon Woo and firefighter Kang Hoon, will be the perfect match for her? A captivating story intertwined with genetics! This story portrays the struggles, love, and everyday lives of young friends.