Episode 8 of "Light Shop" unfolds five years prior, setting the scene in the ICU ward where Young-ji lies recovering from a harrowing accident. Freshly awakened, she is granted the comforting presence of a music player by the compassionate head nurse. Years flash forward, and that same music player finds itself by the bedside of another ICU patient, this time used in a poignant attempt to bridge the gap between life and the morgue's cold embrace. Suddenly, we cut to the present, revealing a miraculous moment: the patient, against all odds, stirs back to life.
Elsewhere, Ji-young's deft fingers continue their relentless task of stitching Hyun-min together, her patience wearing thin. Unable to bear the suspense any longer, she boards a bus, her voice tinged with urgency as she demands an explanation for Hyun-min's failure to recognize her. It is in this tense moment that Hyun-min's gaze falls upon the wound marring his torso, a revelation that sparks recognition when he finally arrives home. Ji-young, relief flooding her face, urges him to visit the enigmatic Light Shop.
Meanwhile, Seung-won, the bus driver, arrives at Seon-hae's abode, where Hye-won directs him to Hyun-joo's apartment complex, pleading for his assistance. There, Seung-won encounters Hyun-joo's mother, a silent figure whose mouth is gagged by cotton as part of her ongoing funeral rites. In a poignant twist, she later visits the Light Shop, gesturing desperately through Won-young to deliver a light bulb to her daughter, Hyun-joo. Initially resistant, Won-young's resolve melts when Hyun-joo's mother subtly points to a candy – a silent revelation of her true identity as Hyun-joo's mother.
Elsewhere, Hyun-joo, sensing her mother's absence, ventures out in search of her, her path crossing with Seung-won's. He offers her a profound insight about herself, one she had overlooked until now. Later, Hyun-joo's mother returns, carrying the light bulb, but Hyun-joo declines it, choosing instead to remain by her mother's side. Ultimately, Hyun-joo bids her mother a heartfelt farewell and departs, the light bulb in her possession symbolizing her newfound understanding.
Concurrently, Seon-hae makes her way to the Light Shop, locating her own light bulb. Briefly, her physical form flickers back to life, a fleeting moment of clarity before Seon-hae deliberately shatters the bulb, releasing her spirit from its mortal confines. She returns to Hye-won, their bond unbreakable, and together they make a poignant decision: to spend eternity side by side in the afterlife.
Elsewhere, Ji-young stands watchful as Hyun-min steps into the enigmatic Light Shop, selects his bulb, and traverses back to the realm of the living. With a solemn vow, Ji-young pledges to trail him into this world once more.
Three months flee by in the blink of an eye, and in the bustling reality, Ji-woong miraculously recovers his health and earns his release from the hospital's confines. Fresh bulbs arrive at the Light Shop, symbols of new souls caught in the tangled web between worlds, victims of unforeseen mishaps. Meanwhile, Seung-won continues his duties as a bus driver in the realm beyond, while Seon-hae and Hye-won embark on an ordinary yet blissful life as a couple. Yu-hui, Hyun-joo's mother, finds solace in the companionship of Won-young and their beloved rescue dog, their adopted furry friend.
Back in the realm of the living, Hyun-joo has resumed her studies but grapples with the transition back to mundane existence. It is here that she encounters a spectral figure—a student she once knew on the other side—who implores her for assistance.
Concurrently, Sung-sik, now reacclimatized to the world of the living, crosses paths with the ghost of his savior. The ghost unveils his quest to locate misplaced spirits wandering in the realm of the living and escort them back to their eternal abode, a mission that led him into the web of a murder mystery. He recounts his innocent involvement, having delivered a meal to an elderly man who mistakenly accused him.
Sung-sik embraces the ghost's mantle as a detective for wandering souls, ensuring their rightful return to the afterlife. In his new role, he also rescues Young-ji from the clutches of a malicious spirit.
Meanwhile, Hyun-min's health continues to dwindle, confined to a wheelchair and encased in a fog of forgetfulness that obscures Ji-young from his memory. Ji-young unyoungbur remainsdens steadfast her, heart her to ghost the compassionate mortlyician, who suggests her lingering attachment might be clouding her path to peace. Yet, Ji- presence hovering around Hyun-min, unwilling to let go.
In the post-credits sequence, Sung-sik unexpectedly encounters a survivor from a tragic school collapse, who is revealed to be Hee-soo, a character hauntingly familiar from the film "Moving." The encounter is charged with emotion. As the scene progresses, Sung-sik's journey takes him further, where he comes face to face with Kim Young-tak from "Timing," a ghostly figure residing in a haunted building, leaving a chilling cliffhanger as the episode draws to a close.
