A simple surgical procedure turns into endless hospital nights and unexplained cravings for salty yet sweet things. Joy has no idea what's happening to her or her body. Joy has no idea she's an experiment. When she meets her main physician, Kim Yerim, she's instantly interested in the stranger from the start. She's shy, gentle and over all mysterious. Yeri is a doctor who's been training for only two years now. She's nervous but willing to over come her fears. Her teammates see her as weak, a cry baby and someone who won't make it much farther than their high-school graduation. When Yeri offers to join the team for experiment 06 all her coworkers are surprised. Will her fear, gullibility and easily fluttered heart get the best of her?