In 'Hello, Who Dis?', players step into the shoes of an enigmatic amateur detective who stumbles upon a mysterious text message on a lost phone. As they delve deeper, they uncover a web of secrets and lies involving various quirky characters—a conspiracy theorist, a paranoid neighbor, a conspiracy chef, and a disgraced former detective—all connected to a series of peculiar events happening in their bizarre town. Players must craft strategic responses, manipulate conversations, and solve riddles sent through texts, ultimately deciding who to trust or betray in a race against time to uncover the truth.