A young woman's plan to marry the heir to a Chinese incense empire leads to her family's ruin...until she gets a second chance to right her wrongs.

Yun Shang, who has suffered from torment since childhood, became a killer of the Rain Pavilion to protect her sister. During the execution of missions, she was touched by the pure and kind Duke Wu Luan and subsequently fell in love with him. When her new assassination target became Wu Luan, Yun Shang chose to put down her butcher’s knife for love, confronting her lover and family directly.

Eighteen years ago, the benevolent young lord of Ningdu City was brutally murdered by unknown assailants while returning home. His guards Zelan and Bai Qing, along with his son Mo Jing, vanished without a trace, leaving the case unsolved in the martial world. Eighteen years later, a notice posted by the gravely ill old city lord seeking his lost grandson shattered the desert's tranquility.