Lin Xiao rescues a stray Chinese rural dog and names it Dahuang. Dahuang is human-like and immediately exposes Lin Xiao's boyfriend Zhang Hao for cheating. The hypocritical and selfish Zhang Hao flies into a rage out of shame, lies that Dahuang is a mad dog, and abandons the heavily injured Dahuang in the deep mountains. Lin Xiao's childhood friend Chen Yang returns to the village to do public welfare work, accidentally rescues Dahuang, and also catches Zhang Hao and his mistress Li Na plotting to scam Lin Xiao out of her money. Chen Yang tells Lin Xiao the truth, Zhang Hao's evil deeds are exposed, and in the end he ends up with neither money nor anything else and reaps what he sows. Chen Yang has had a secret crush on Lin Xiao for many years and decides to stay in the village to start a business, while Dahuang turns into a divine wingman to matchmake the two.