On a certain day of a certain year and a certain month

This twenty-episode TV series with a suspenseful and novel title is about: In order to save his sister Lu Xueting who has kidney disease, his brother Lu Tianye reluctantly took off his military uniform and became a local security manager. Because of his ability in doing things and his sense of justice in the face of evil forces, the female boss Jiang Xianyue fell in love with him. On the way to send Lu Xueting to the hospital, Jiang Xianyue knocked down Miss Nian Nian from the Singapore Beauty Company, and Miss Nian Nian also fell in love with Lu Tianye because of his rescue. Jun Hu, a young man who came to China with Miss Nian Nian, met Lu Xueting when he visited Nian Nian and was deeply attracted by her purity. Lu Xueting also fell in love with him, but in the end she buried the pain that entangled happiness deep in her heart due to her illness.