Because his parents died in a car accident, his only relative, his brother, wanted to join the army. Du Tongxin was recognized as her sister by her brother's good brother Shen Zhiyuan, and she took the initiative to take care of her so that her brother could realize his dream. In the process of getting along, Shen Zhiyuan gradually fell in love with Du Tongxin. It turns out that love is not only love at first sight, but also love over time. At this time, there was another bloody battle between Tiansheng, Bamboo Horse and Tiansheng. Du Tongxin also understood each other's feelings under the increasing care. My brother knew that the two were in love and thought they were acting to reassure him, so he stopped them. How would love be protected in the end?