Twenty years later, Lin Sangyu returned to Shitong Village as a military doctor and lived in the old house where his parents were killed. She discovered the stethoscope her mother had left behind, but was targeted for it. She met the only man in the village who dared to openly challenge the village chief. Sparks flew from the first confrontation between the two. The village chief's adopted daughter Zhou Ruoqing was poisoned by a strange poison, which made Lin Sangyu smell the atmosphere of conspiracy. They decided to join forces to uncover the shocking secret of this village.
