An unexpected encounter with Jeong Gu-won throws Do Do-Hee into a state of discomfiture. The ensuing events lead to an assault, a situation in which salvation hinges on a formal agreement.

Without explanation, Gu-won finds himself stripped of his power, a sudden and baffling loss. He begins to suspect Do-hee holds the answer to restoring what he’s lost, yet his attempts to reclaim his abilities only lead to unforeseen complic…

Following yet another assault, Do-hee implored Gu-won to serve as her protector—even now, after his revelation as a demon. The loss of someone she held dear stirred a disquieting suspicion within her.

Do-hee asked Gu-won to marry her, but he declined. Soon after, she enlisted his help in investigating the death of Ju Cheon-suk; however, he found himself unexpectedly thwarted by a force beyond his control.

Following their perilous rescue, Gu-won and Do-hee find themselves navigating a landscape of burgeoning, complicated emotions. Soon after, Do-hee embarks on a search for a suitable husband, a pursuit that proves deeply unsettling for Gu-won…

Following her rescue of Do-hee, Gu-won finds herself the object of two vying marriage proposals. She accepts one, only to discover a disconcerting visage at her wedding ceremony.

The early days of their marriage proved a trial for Do-hee and Gu-won as they navigated the complexities of shared living. Meanwhile, a growing unease settled upon Ju Seok-hoon, stirring within him a suspicion regarding Gu-won’s true nature…

Following a brutal assault on Gu-won, Do-hee races to his side, determined to save him. As danger tightens its grip on the world around her, she makes a startling decision about her future.

With Do-hee and Gu-won’s connection deepening, Gu-won finds himself undergoing an unsettling shift in his abilities, all while a greater danger gathers on the horizon.

The revelation of his destiny spurred Gu-won to seek an alternative path to salvation. Yet, as he and Do-hee prepared their ritual, she found herself unexpectedly targeted.

Having pulled Do-hee from the brink of death, Gu-won discovers his strength renewed, though not without consequence. With urgency pressing upon them, the pair immediately begins to unravel the mystery of the assault.

Gu-won’s dream offered a glimpse into a life long gone, revealing a sorrowful link to Do-hee. The news of a death only served to sharpen their doubts about the Noh family's involvement.

Amidst their shared happiness, Gu-won observed a lingering shadow in Do-hee’s eyes, a hint of pain she hadn't yet fully laid to rest. Later, they accepted an invitation to dinner with Noh Suk-min, oblivious to the darkness that concealed hi…

Following a terrifying encounter with Suk-min, Gu-won intervenes to help Do-hee. Yet, Suk-min’s disclosure regarding Cheon-suk leaves Do-hee deeply shaken.

The police have yet to locate Suk-min’s body, a development that casts a troubling shadow over the investigation. Meanwhile, Do-hee struggles to suppress her emotions following Gu-won's inexplicable disappearance.

The grief stole Do-hee’s voice, leaving her adrift in a state of near stillness. Consumed by a yearning for Gu-won’s return, she whispered a Christmas wish to the heavens—a plea for her lost love. Unbeknownst to her, Noh Suk-nyeo was within…