The nation’s brightest star, Momo, slipped into a coma following a sudden and unforeseen accident. Her mother, Ran-hee, presented her lover, the neurosurgeon Ju-shin, with a startling proposition: to transfer Momo's essence into her own bod…

Six months prior to Momo’s accident, Yong-joong discovers that Ba-ra is the child he encountered sixteen years earlier. Simultaneously, Ju-shin relentlessly urges Momo toward marriage. Though she refuses his advances, Ju-shin responds with …

Following a scuba diving accident, Momo vanished, and journalist Ba-ra began to suspect foul play in her disappearance. Yong-joong, too, felt a disquieting presence emanating from Ju-shin. Unbeknownst to him, Ba-ra had already revealed the …

As Ran-hee’s body was carried away, Ju-shin grieved for Momo. The funeral went ahead, yet those present struggled to comprehend how she could have ended her own life without a discernible cause. Meanwhile, Momo—now bearing Ran-hee's spirit …

A disquieting feeling began to settle in Ju-shin’s mind regarding Ran-hee, now bearing Momo's likeness. During a meal with Jin-ju, he attempted to discern her thoughts on the matter. Elsewhere, Yong-joong declared his affections for Ba-ra, …

As Ran-hee attempts to draw nearer to Ju-shin, she finds herself growing increasingly sharp-tempered. Yet, Ju-shin consistently seeks out Jin-ju, displaying an evident interest and encouraging her to consider the operation. Following a meet…

The transplant was successful; Ju-shin had managed to place Jin-ju within Momo’s body. As she began her new life as Momo, her biological father continued his search, clinging to hope and unwilling to accept the news of her passing. Elsewher…

As Ju-shin’s gaze lingered on Ba-ra, a compelling attraction bloomed within him, culminating in an offer he scarcely dared to voice. Ba-ra, in turn, accepted Momo’s proposition, relinquishing her employment to remain close at hand. Unbeknow…

Driven by vengeance against Ba-ra, Jin-ju attempts to ensnare Yong-joong while possessing Momo’s form. Simultaneously, Gwang-cheol persists in appearing before Jin-ju – now inhabiting Momo's body – relentlessly unsettling her. In the midst …

Stunned by Gwang-cheol’s sudden appearance, Jin-ju severed her connection with Ju-shin and sought out Yong-joong, a figure from their shared history. She implored him for unwavering assistance, and they retreated to a karaoke room for drink…

Yong-joong cautioned Ba-ra to remain apart from Ju-shin, yet their connection deepened instead. As Ju-shin persisted in his attentions toward her, Jin-ju discovered that he had once proposed marriage to Ba-ra and was consumed by rage. Then,…

Yong-joong suggested they choose a wedding date, but Ba-ra slipped away and made her way to Ju-shin's house. Elsewhere, Gwang-cheol started volunteering at Nua General Hospital, and Jin-ju was pleasantly surprised by an unexpected piece of …

Ba-ra was shattered to discover that Jin-ju was, in fact, Momo, and confronted her with a desperate final appeal. Yet, despite this revelation, Jin-ju and Yong-joong proceeded with their wedding ceremony. Elsewhere, Ju-shin approached Ba-ra…

Yong-joong and Ju-shin learned of Ba-ra’s pregnancy. Seeing Momo wearing Jin-ju’s earrings only intensified Gwang-cheol’s growing unease. At Paul-kim’s home, Ba-ra unexpectedly found a photograph that bore an uncanny resemblance to herself.…

With nowhere left to turn, Jin-ju pleaded with Ba-ra to consent to the procedure, the brain swap. Simultaneously, Yong-joong vowed his everlasting love to Ba-ra, while Jin-ju began to disclose the complete story of the brain alteration to G…

Gwang-cheol is shattered by Jin-ju's passing, and fueled by fury, he confronts Ju-shin. Yong-joong grieves for Jin-ju while Paul Kim delivers startling news to James concerning his daughter, lost many years ago. Simultaneously, Jin-ju manif…