This drama series starts from a belief that true love is the real guardian angel. There are two young people who pursue wealth and power. And then, there are other two young people, who lead a fulfilling life despite the difficult surroundings. Through the competition and star-crossed love amongst the four characters, we tell the story, in which truth and love are the real guardian angels
L, an angel who’s endlessly fascinated with the human world, gets into trouble when she unthinkingly saves the life of Han Shi Yeong, a man who was meant to die. To make up for her mistake she must guard him on Earth for one hundred days and keep him safe from Hwan, a death god who is required to collect his soul. Both supernatural beings must contend with the knowledge that whichever one of them fails by the end of the hundred days will be erased from existence, and the longer they stay on Earth the further their powers fade and the more human they become.
Young Mi is an orphan girl who up until high school had her education supported by a "secret admirer" which she calls Daddy Long Legs. Ten years later, still not knowing the identity of this secret admirer, Young Mi gets herself a job at the local radio station. Still, Daddy Long Legs sends her presents and finds ways to cheer her up as she is adjusting to her new job and her demanding colleague. She soon falls for a guy who works as a Records Clerk at the station and at the same time sets out on a quest to help the previous occupant of the apartment she stays in find her true love before all is too late.
