Chu Qinghan was a ruthless Taoist genius who was rare to see in the Xuan Sect of the Qing Dynasty in a century. Her temperament was as cold as the snow in the deep winter. Even the old naughty master Ling Xuzi, the elder of the sect (the senior brother of the sect leader), was obedient to her and did not dare to disobey her.
One time when Ling Xuzi returned from traveling, she was given a "burden" - Lu Jinghan, a young man with rare spiritual roots, who forced her to take on a disciple on her behalf. Lu Jinghan's face was as white as a white lotus, and his figure was as thin as if he fell over when blown by the wind. He kept shouting "Senior Sister" in a cowardly manner, and his eyes were dependent on Chu Qinghan. He looked like he needed someone to take care of him, but in fact he fell in love with her at first sight.
But no one knows that this "white lotus" is the young demon master who hides his identity. He is sinister and paranoid, with sharp thorns hidden under his weak appearance. He only gives Chu Qinghan all his tenderness, and his obsession in his heart is to completely lock her into his own world.
As the turmoil escalates, the daughter of the head of the family falls in love with Lu Jinghan at first sight and shows her affection frequently, but she doesn't know that what she has provoked is a "venomous snake with hidden stings" that is only gentle to one person but cruel to others.
The ruthless way wants to cut off the worldly ties, but the sick and charming heart insists on clinging to it. When Chu Qinghan's cold heart hits Lu Jinghan's gentle trap, when the identity of the young demon master is gradually exposed, the sect's crisis is intertwined with secret emotions - can the "ruthlessness" she insists on resist the paranoid affection that cannot be hidden in his eyes?