On the eve of college graduation, Ye Fan finally plucked up the courage to confess to Tao Tao, whom he had been secretly in love with for many years. However, Tao Tao died in an accidental car accident, and the two were separated from each other. While packing up Tao Tao's belongings, Ye Fan accidentally obtained her old mobile phone and gained the ability to connect to the past. In order to save Tao Tao, Ye Fan decided to launch a time and space rescue.

In a world where the legendary Eternal Jade cures all but carries a deadly curse, Gu Suizhi, cursed to die before turning thirty, devises a plan to make Ruan Shu, the last orphaned daughter of the Ruan family, fall in love with him—her heart's blood being the only way to break the curse. As love and redemption intertwine, they unknowingly awaken the unresolved grudges of their past lives, unraveling a deeper, more complex fate.