In 'Hello, Who Dis?', players dive into the chaotic life of Jamie, an unassuming barista with the unique ability to receive text messages from various people in the past. As Jamie juggles between brewing coffee and responding to cryptic messages, they discover a tangled web of relationships and unfinished business that spans decades. Players must choose how to respond, ultimately influencing the outcomes of past events and a hidden truth that connects them all. Solve mysteries, mend broken relationships, and unearth secrets, all while balancing the demands and drama of modern life.