Step into the shoes of Max, a snarky postman who starts receiving an influx of mysterious letters meant for residents he doesn't know. As he reads through the content of these whimsical greetings, he uncovers a hidden world of absurd connections, secret admirers, and unsolved troubles. With each letter, players must choose responses, follow clues, and interact with various eccentric characters in the neighborhood to unravel the truth and understand whose hellos these really are. The twists and turns will lead them to unexpected friendships, hilarious misunderstandings, and even a neighborhood-wide mystery that needs solving before the annual 'Hello Festival' turns into a disaster.