Set in a bustling city, players assume the role of a witty private investigator who has been hired to unearth the truth behind a mysterious series of anonymous phone calls received by various prominent individuals. Each call is accompanied by a cryptic 'hello' that leads to unexpected confrontations and quirky characters. As players engage in conversations, they must use their detective skills to read between the lines, choose dialogue paths, and unravel the underlying connections between the callers and the victims of their pranks. The game unfolds through rich narratives, humor, and suspense, pulling players deeper into the mystery with every decision they make.