응급실로 실려 온 준희의 상태가 심각하다. ‘만성신부전증’. 일찍이 하늘로 떠난 준희의 친형과 같은 병이란다. 견딜 수 없는 슬픔이 휩쓸고 지나간 자리. 고유는 일생일대의 결심을 하게 되는데!
Jun-hee is taken to the hospital after he gets beaten up. However, something other than his wounds is found. It turns out he is going through chronic renal failure just like his brother Jun-young. But this time, he has someone looking out for him. Despite Eun-hye's disagreement, Ko You firmly decides to donate his kidney to Jun-hee.
