Su Qingyuan, daughter of the Sect Master of the Qingxuan Sect, accidentally enters the Profound Ice Pool and awakens Xie Lingyuan, an Immortal Venerable who has been frozen for three hundred years. The two unexpectedly become bound by an Ice Marrow Mark and must face the tribulations of their intertwined destinies together. She severs her old ties and devotes herself to cultivating the Dao, while he secretly protects her under the pretext of controlling her tribulations. Meanwhile, evil cultivators infiltrate the sect, setting one conspiracy after another in motion. From contractual cultivation partners to allies who unravel the schemes together, the two gradually develop genuine feelings and ultimately stand together through life and death.