In a world where a simple greeting can lead to unexpected consequences, players step into the shoes of Sam, a quirky linguist and professional 'hello investigator.' Following a series of baffling incidents where greetings have turned into miscommunication disasters, Sam must navigate a whimsical city, interview eccentric characters, and decipher riddles hidden in greetings to uncover the source of a mysterious contagion that causes people to say the wrong 'hello.' With humorous dialogue choices and branching narratives, each interaction could lead to hilarity or disaster, ensuring that every ‘hello’ counts.