After the little one came down the mountain, he was pampered by the villains.

Shan Shan is a mountain spirit who lacks a human form, tasked with saving her family members who have been reincarnated as villains in various stories. To accomplish this, she inhabits the body of Zhou Shan Shan, a four-year-old girl who was abused to death by her greedy uncle and aunt after her parents died. Upon waking in the child's body, Shan Shan resolves to avenge the original girl while searching for her spiritual family. She tracks down her brother, Yin Kairui, who is an A-list actor filming a fantasy drama. Shan Shan saves Yin Kairui from a falling set structure, an act that inadvertently drags him into a media scandal. Rumors spread that he has a secret child, damaging his reputation and attracting the attention of rival entertainment companies.

Yin Kairui is initially hostile toward the clingy child, who refers to him as "Narcissus Brother" and possesses supernatural strength. However, he discovers that Shan Shan can heal his injuries using spiritual energy. This revelation shifts his perspective, leading him to accept temporary guardianship of the girl. The police determine that Yin Kairui is Shan Shan's closest living relative, as her parents are deceased and her other relatives are abroad. Consequently, he is legally required to care for her for one month until her parents return to finalize adoption arrangements.

During this period, Yin Kairui faces intensified attacks from Starlight Entertainment, his rival agency. They orchestrate a smear campaign involving false allegations of romantic misconduct. Shan Shan, sensing the danger through her spiritual abilities, becomes fiercely protective of Yin Kairui. She dreams of his potential downfall as a villain in a story and is determined to prevent his death. Her presence begins to alter the trajectory of events that were originally destined to occur.

Shan Shan adapts to human life, displaying an enormous appetite and a naive understanding of social norms. She bonds with Yin Kairui and his agent, Wen Yiting, while remaining unaware of the full extent of the entertainment industry's complexities. Yin Kairui, despite his initial reluctance, finds himself growing attached to the child. He struggles to balance his career with the demands of childcare, all while investigating the source of the malicious rumors targeting him.

The narrative explores the intersection of Shan Shan's mission to save her family and Yin Kairui's fight to clear his name. As Shan Shan integrates into his life, her supernatural interventions begin to change the outcomes of situations that were originally scripted for tragedy. The story follows their evolving relationship as they navigate public scrutiny, corporate sabotage, and the mysteries of Shan Shan's spiritual origins. Yin Kairui must decide whether to embrace his role as a guardian or resist the fate that seems to be shifting around him.

Key conflicts arise from the clash between Shan Shan's spiritual nature and the human world's rules. Her ability to heal and sense danger proves crucial in protecting Yin Kairui from further harm. Meanwhile, Yin Kairui's determination to succeed in his career provides a stable environment for Shan Shan to continue her search for her other family members. The tension between their two worlds creates both comedic and dramatic moments, driving the plot forward.

As the month of guardianship progresses, the bond between Shan Shan and Yin Kairui strengthens. He becomes more protective of her, recognizing her unique qualities and the genuine threat posed by his enemies. Shan Shan, in turn, learns to navigate human emotions and relationships, finding a sense of belonging she never had in the mountains. The story sets the stage for further revelations about the other reincarnated family members and the ultimate fate of the villains they are destined to play.

The resolution of the immediate crisis involves exposing the false rumors and protecting Yin Kairui's career. Shan Shan's presence acts as a catalyst for change, disrupting the original storylines that threatened her family. The narrative concludes with the understanding that their journey is far from over, as more challenges and discoveries await them in the complex world of show business and spiritual retribution.