MD

When pitiless 200-year-old demon Jeong Gu-won mysteriously loses his powers—and his iconic cross tattoo—to cynical heiress Do Do-hee, his immortal existence is flipped upside down. Forced to act as her personal bodyguard just to trigger his abilities, he must help her navigate deadly corporate intrigue and a high-stakes contract marriage. But as buried secrets from their past surface, protecting her heart might prove to be his most dangerous contract yet.