ยอดการ์ด พิทักษ์รัก

Lee Jae-jin, a security guard struggling to pay for his sister's surgery, awakens the mysterious Guardian System that grants him powerful abilities during a dispute with his colleague. When the company CEO Seo-yeon becomes the target of deadly attacks over a groundbreaking drug she developed, Jae-jin becomes her personal bodyguard. As they make it through one danger after another, their bond deepens into something more.