In 'Hello, Who Dis?', you play as a digital detective navigating a futuristic city where identities are fluid and every phone call could lead to a new case. Using a unique communication device known as the 'Echo Dial,' you must piece together clues and gather information from various characters who all hide behind aliases. Each decision you make and each conversation you have will change the course of your investigation, leading to multiple endings. Unravel the layers of mystery while exploring themes of identity and trust in a world where appearances can be deceiving and no one seems to be who they say they are.