Clara is a very clumsy nurse, you can say she is the craziest person on earth . She is The kind of girl who can travel with a duvet as her sweater , the kind of girl who packs her hair in 5 messy buns. But even with all this flaws Her intelligence remains unbeaten. Clara's biggest dream is to meet the world class surgeon " Ryan dervantes" and work with him , she would happily die after that. But this dream seems impossible for so many reasons Ryan is a billionaire surgeon. If he can't save you no one in the world can. He is a world rated surgeon based in New York, the only heir to devantes health world (the biggest conglomerate in Korea) He has everything anyone can wish for but he remains cold, unhappy, and sad , because of a dark past. Finally It is time for Ryan to go on his 3 months health mIssion, All the nurses are excited , everyone wishes to be chosen by him. But fate played its role and "mistakenly" Crazy Clara is sent to him How would this cold hearted man and this crazy girl live together in one house? Read to find out in " his clumsy nurse"