On the winter solstice, Isabel Whitney hastily marries Felix Sterling—the disabled second son of the Sterling family. But on their wedding night, Felix shocks her: he plans to die in a year. Deciding to make the most of it, Isabel treats it as a fling—just for fun, maybe even to have a beautiful child. Yet as days pass, her warmth seeps into Felix's dark world. She becomes his light, his salvation. Through sweet, simple moments, Felix falls for Isabel—truly, deeply. Love works its miracle. Having confirmed their love for each other, the two join hands and walk toward a happy future together.

The snake spirit sisters Tracy and Sharon share one body. A century ago, Tracy loved the cultivator Robert, but their wedding was attacked. In the present, Tracy awakens to find Sharon dying. To save her, she must seduce Robert's current incarnation—a disciple of asceticism. Their forbidden love rekindles, but they become pawns in a sinister plot by Robert's master, William, whose obsession with Sharon threatens them all.

Claire Brooks wakes up transmigrating into the villainess who faked being the girlfriend of the amnesiac tycoon Alex Drake. In the original novel, she emotionally manipulated Alex into doing laundry and cooking, seized his wealth and exploited him, only to be cruelly eliminated once he regained his memory. Now, seeing her fake boyfriend take off his delivery uniform to serve her, Claire is filled with dread and has to pretend to be affectionate while secretly plotting her escape.