After the death of her father, blind wealthy lady Jiang Yunzhi inherits a huge fortune, which makes her aunt Du Linghua and cousin Jiang Zhi covet and plot against her, putting her in grave danger. She desperately searches for her long-missing elder brother Jiang Du to protect herself, but instead attracts the professional fraudster Shen Qinghuai. After killing Jiang Du, Shen Qinghuai forges his identity to pretend to be her brother and infiltrates the Jiang family, feigning gentle protection while actually plotting to seize the family property. During their time together day and night, he is moved by Jiang Yunzhi's tenacity and purity, turning from exploitation to sincere protection, and repeatedly blocks family conspiracies for her. Torn between lies and true feelings, Jiang Yunzhi gradually becomes suspicious yet deeply dependent on him. In the end, Shen Qinghuai's identity is exposed. Amid the vortex of family betrayal and love redemption, he chooses to protect her with his life, uncovers all conspiracies, and the two face a choice between love and hate at the end of the lies.
