Dr. Kwon Yuri and Dr. Jessica Jung is both professional surgeon in Daehan Seoul Hospital they're smart, kind, well yeah professional and serious to their job but sometimes crack some jokes. They been called an Emergency Couple cause everytime there's an emergency both of them team up and do the surgery. Well, Taeyeon is also team up either with Yuri or Jessica but mostly both of them are partners. Some of Doctors, Nurses or Personnel in the hospital think that they have special "Thing" for each other this reason also one why they been called "Emergency Couple" cause yuri really sweet with jessica when they saw them but No... They were only friends... Yeap friends.. For now. Let's just find out if that 'friends' label will turned to "love" and how this two pass the "love" that lead them into different struggles they will face towards the end.

9 girls decide on a trip, but things go out of hand once they ride on their own private ferry. Each girl gets lost, and now, they have to find each other and fix this problem. Will they make it home? ~ssf_07