Medical school genius Yu Sheng is lonely and gloomy, and enters the school with the mystery of his mother's medical accident; Cheng Huan, a transfer student from the psychology department, is sunny and cheerful, but he is trapped in obsessive-compulsive disorder and the shadow of childhood. A conflict in the library pitted the two against each other, but Cheng Huan accidentally discovered Yu Sheng's secret of self-destruction. When the knife flash in the late-night autopsy room was stopped, and when the campus emergency incident forced the two to join forces, the two broken hearts began to get closer.
However, Cheng Huan discovered that the truth Yu Sheng was pursuing was actually related to his father. As the investigation deepened, mysterious forces frequently obstructed him. Yu Sheng was injured to protect Cheng Huan, and Cheng Huan's illness broke out under the pressure. When medical shady interweaves with family secrets, and when the boundaries between trust and betrayal blur, they must make a choice: become each other's poison, or the only antidote?
Yu Sheng, a freshman at the School of Medicine, x Cheng Huan, a transfer student from the Department of Psychology
Concept: How will this seemingly accidental encounter change the established trajectory of two scarred souls.