Bike courier Jérémie speeds around the city delivering anonymous packages, blindly following the instructions of his boss Dom. A solitary creature of habit, Jérémie records a podcast where he shares his conspiracy theories. When a famous Instagrammer, Élyane Boisjoly, moves right next to his apartment, he develops an obsession for his new neighbor's lifestyle. His life changes dramatically when, one night, he is so flustered by his obsession with Élyane that he misses a delivery. When Dom orchestrates a violent manhunt, Jérémie has no choice but to take action.