Lin Yang launched a passionate pursuit of the ace detective Leng Feng, and even if he was rejected indifferently, he still would not give up. During a mission, Lin Yang died heroically to protect others, but his soul accidentally transformed into Leng Feng's new police dog "Lightning".
Lin Yang, who became a police dog, could only express his emotions through barking and wagging his tail, but he was able to stay with Leng Feng 24 hours a day, witnessing his unknown vulnerability and tenderness. He relied on human wisdom to repeatedly accomplish extraordinary feats in his missions, and he gradually let Leng Feng loose his guard as they got along day and night. When Leng Feng begins to notice the anomaly of "Lightning", how will the two cross species boundaries, uncover the truth behind Lin Yang's death in the line of duty, and confirm each other's feelings?
Purpose: Protect peace and contribute to society