In a world where greetings are stolen as a form of currency, you play as Rex, a quick-witted detective in a bustling metropolis. As people experience awkward silences due to missing hellos, chaos ensues. Your task is to unravel the mystery behind a series of hello heists that threaten societal norms. Engage in hilarious dialogues, interrogate quirky suspects, and piece together clues in a world where saying 'hi' isn't just part of your day—it's a matter of life and social death!