Pet School brings viewers inside a pet training academy in a bustling Chinese metropolis, where dogs, cats, and humans try to understand one another. Through daily routines, breakthroughs, and setbacks, the documentary explores how relationships between people and animals evolve in modern city life. It’s not just about obedience or tricks—it’s about empathy, responsibility, and finding connection in unexpected companions. In a fast-moving world, these gentle moments reveal what it means to care—and to be cared for.