Xiang Shu Lei (Lee Wei) comes from a family of doctors. Although he has a girlfriend Du Ke Jie (Tracy Chou Cai Shi), he also has an ambiguous relationship with Dong Xin Ni (Chloe Wang). One day, Ke Jie went to Bi Jia Mountain alone and never came back. Shu Lei and Xin Ni both felt extremely guilty over Ke Jie’s disappearance and they broke up very quickly. Since then, Xin Ni concentrated on her work and became a future star of the property development industry. After Ke Jie disappeared, her father stubbornly continues to search for her while her mother becomes obsessed with investing in share markets. Younger sister Ke Xing (Nikki Hsieh) not only lost her sister, she also lost her father’s love. When the Du family finally accepted Ke Jie is never going to come back, they start to pack her belongings. However, Shu Lei secretly takes Ke Jie’s bookcase... Due to a car accident, Shu Lei loses his memory. He moves to Yi Lan and opens a book store. One day, Ke Xing comes into his bookstore and sees Shu Lei. She realises he was her sister’s boyfriend but didn’t expect him to have amnesia. Ke Xing thought, if she can revive Shu Le’s memories, maybe she can earn the reward so her boyfriend Li Ze Xuan (Alien Huang) can start his own business. A property mogul is making development plans for Yi Lan. Dong Xin Ni is also participating in the project. Will she meet Shu Lei again? For her boyfriend, Ke Xing gets a job at the bookstore but unexpectedly, she is attracted to him...