The orphan Shen Ning was engaged to Qin Yi since she was a child. After moving into the Qin Mansion, she encountered many changes. Not only was she betrayed by Qin Yi, but she was also maliciously framed by her admirer, Princess Linxi. In critical moments, Qin Yi's brother Qin Shen stepped forward many times and silently guarded him. Shen Ning sticks to her heart, breaks off the engagement decisively, and gets rid of the wrong person. Qin Shen broke through the secular prejudices, faced up to his deep feelings, and insisted on marrying Shen Ning. In the end, the perpetrators reaped the consequences. Shen Ning and Qin Shen finally got married after going through hardships, interpreting the true love and justice in the world with sincerity and responsibility.