This drama tells of the love story that develops between a surgeon and a special forces officer.
Cast: Song Joong-Ki, Hye-Kyo Song, Jin Goo, Kim Ji-Won, Kim Min-Suk, Kang Shin-il, Ahn Bo-Hyun, Woong Choi, Park Hoon, Seo Jung-Yeon, Hwan-hee Park, Byeong-cheol Kim, Seung-Joon Lee, Onew, Jyu-ni Hyun, Jasper Cho, Jo Jae-yoon, David Lee McInnis
Shi Jin explains what happened in Albania. Myung Joo returns from Uruk and finds out what's in Dae Young's letter.
Alpha Team is sent on a three-month long operation. Commander Yoon asks Myung Joo to forgive him for treating Dae Young unfairly.
The other victim of the gunfight will affect relations with North Korea, but Shi Jin decides to help him.
Mo Yeon's plan of opening a clinic hits a snag. Alpha Team is sent on leave, but is called for a mission.
Commander Yoon defends Shi Jin's unauthorized mission to his superiors. The medical team looks forward to returning to Korea.
The M3 patients are isolated in the Medicube's ICU. Myung Joo takes a turn for the worse.
Shi Jin is ordered to allow Argus to operate. Yeong Su's plan to keep the diamonds safe backfires.
Dae Young and Shi Jin find a man trapped in the destroyed power plant, but Yeong Su is determined to make his way inside no matter the danger.
The rescue team and doctors work to excavate and save survivors from the wreckage.
Mo-yeon is confused after her first kiss from Si-jin and then a disturbing phone call.
A heated standoff ensues when Mo-yeon tries to save the V.I.P. Meanwhile, Dae-yong and Myeong-joo run into each other at the airport.
Mo-yeon and her colleagues join Si-jin and Alpha Team in Urk. Meanwhile Myuung-ju talks to her father about Dae-young.
After a dangerous mission overseas, Si-jin is back home and meets Mo-yeon again after their failed first date.
After a sensitive military operation, soldier Si-jin meets a beautiful surgeon named Mo-yeon and both sense a connection between each other.