This courier can make an electric scooter look like a Formula One race car. Every day, he's either apologizing for delivering the wrong package or searching for a missing one. When a bizarre fall from a building exposes a transnational smuggling network, he unexpectedly discovers his "photographic memory": he can recall every package he's handled over the past three years.
From handshake apartments in urban villages to international logistics hubs, Lin Xiaoman goes from rookie getting complaints to crime-busting nemesis. With his smart parcel locker and a phone that always runs out of battery at the worst possible moment, he constantly gets caught between policewoman Chen Xue's gun and a drug lord's machete. As the truth behind an old postal case from twenty years ago comes to light, the courier who seems least like a hero is about to uncover a secret that will change everyone's fate...