The president of a large corporation and a blood donor he hired for his sister fall in love, but a childhood crush stands in their way.

The story is about the romance between Xue Shan Shan, a young office lady and her boss Feng Teng. One night, Shan Shan got an urgent call from hospital. She was asked to give Feng Yue, her boss's younger sister, a blood transfusion. To show his gratitude, Feng Teng offered lunch for Shan Shan every day. Shan Shan and Feng Teng's relationship got closer and closer...