In a quirky, whimsical world where people communicate solely through 'hellos', you play as an eccentric detective who has to solve the mystery behind a series of bizarre greetings that have gone awry. Each hello you encounter leads to humorous situations and interactions with colorful characters, each with their peculiar reasons for saying 'hello' rather than something else. As you unravel the enigma of the vanishing greetings, you must throw in your own conclusions, negotiate ridiculous dilemmas, and decipher confounding clues. Will you understand the art of greeting before it’s too late?