Yoo Ae Hee ( Park Ji Yeon ) was sent to Earth by the heavens and in order to become a REAL HUMAN, she must have a KISS from the man he loves. Meanwhile, he falls in love with Ki Hoon ( Kim Ki Bum from SHINEE) which was a close friend of Han Jung Hyun ( Kyungsoo / DO) . Unfortunately, Ki hoon was in a relationship with a girl named Kang Yoo hee ( Choi Seol Ri / Sulli). The time given to her was 2 months and 2 days ( 64 days ). Will her quest succeed?