Possessing superhuman strength is a genetic gift that runs in the women of her family, but for petite and cheerful Do Bong-soon, it is also a secret burden. The young woman dreams of a quiet life and becoming a game developer, yet her incredible power keeps pulling her into extraordinary situations. After a chance encounter with a mysterious man who becomes obsessed with her abilities, Bong-soon finds herself hired as a bodyguard for the heir of a major gaming company, the eccentric and childish Kim Bong-soo. Navigating his playful antics and her long-standing crush on her childhood friend, the detective Gook-doo, Bong-soon must also confront a dangerous criminal terrorizing her neighborhood. This vibrant and comedic series blends rom-com charm with action-packed thrills, exploring the chaos that ensues when a sweet-natured woman with the strength of a giant must balance her heart, her career, and her duty to protect those around her.