In 'Hello, Who Dis?', players dive into the chaotic world of a rookie private investigator named Jamie, whose only tool is a mysterious smartphone. Each day, Jamie receives random messages from bizarre characters—some are potential clients with peculiar cases, while others are pranksters or long-lost relatives with wild demands. Players must navigate conversations, make choices that affect the story trajectory, and unravel the underlying mystery behind the phone and its connections to the local mafia, tech gang, and quirky townsfolk. The aim is to keep the town safe while juggling absurd and humorous situations, all through the lens of witty dialogue and comedic encounters.