Leon is an architect who loses the will to live after his mother's death. In Vienna, he meets Gen a woman who suffers from a broken heart after finding out that her fiancé was cheating on her. Hoping to reclaim themselves and move on from their painful past, they venture to find love and romance. However, due to certain circumstances, they decide to part ways. A year later, fate brings them together again, but unbeknownst to Leon, Gen is already in love with another man who happens to be his adoptive brother, Edward and is set to marry her.