1x14 - The Last Immortal

Hong Chou discovers that Yin is the calamity of Gu Jin. Seizing the opportunity while Gu Jin is distracted, Hong Chou draws away Gu Jin's emotional ties. In an instant, all of Gu Jin's love for Yin dissipates. Yin, having meticulously prepared for Gu Jin's arrival to fulfill their marriage covenant, now finds Gu Jin, who has lost those emotional ties, proposing to re-enter into a master-servant covenant to protect her.