In a city where messages appear from nowhere and people's greetings echo in the streets, you play as Alex, an unsuspecting barista who discovers that whispers of hellos can unlock secrets about the residents' lives. As you navigate through a web of deception, tune in to the frequency of greetings to unearth personal stories, solve complex puzzles, and interact with quirky characters. Each new greeting reveals a clue, leading to dramatic confrontations and unexpected alliances. Will you uncover the truth behind the enigmatic hellos before they consume your sanity?