Do Bong-soon (Park Bo-young) was born with superhuman strength. Her strength is hereditary and passed along only to the women in her family. Her dream is to create a video game with herself as the main character. She desperately wants to become a delicate and elegant woman, which is the ideal type of her crush, In Guk-doo (Ji Soo), a police officer. Thanks to her strength, she gets a job as bodyguard to rich heir Ahn Min-hyuk (Park Hyung-sik), the CEO of a gaming company, Ainsoft. A series of kidnapping cases happen in Dobong-dong, the district Bong-soon lives in, and she is determined to catch the culprit, who targeted her best friend. With help and training from Min-hyuk, she manages to control her strength to use it for good causes. Min-hyuk and Bong-soon find their relationship growing into something more. Their relationship at work and in pursuit of the kidnapper creates comical and dangerous situations, which bring them closer.
