Ma Jianxin a shy and taciturn train mechanic who is asked by his work to attend cultural classes provided to all railway workers. Li Weihua, the teacher, is a young lady with congenital heart disease. Soon the two of them discover that they have a common hobby: drinking chrysanthemum tea. Because of her disease and thus her compromised future, Li Weihua refuses to even dream about romance. Ma Jianxin does not give up and continues his courtship until Li Weihua finally agrees to marry him.