After five years of love, Yu Xintong and Gu Yuxuan broke up, and Gu Yuxuan vanished without a trace. One day, Yu Xintong had a strange dream in which she found herself on a place called "Rabbit Island", where she discovered that Gu Yuxuan had turned into a talking rabbit, trapped and unable to return to the real world. Determined to help him, Yu Xintong set out to break the island's challenges, only to realize that each building on the island represented a childhood trauma that had confined Gu Yuxuan. In the end, Yu Xintong helped him break free from his self-imposed prison and regain his confidence. At the same time, with his help, she confronted the pain caused by her grandmother and found redemption through her mother's encouragement. When she awoke from the dream, the two lovers found their way back to each other.