In a world where memories are stored as sound snippets, players take on the role of a memory archivist named Alex. One day, Alex discovers a mysterious audio file labeled 'Hello.' As they delve deeper, the audio leads them on a thrilling journey through the forgotten lives of individuals whose memories have been erased. Players must piece together clues, interact with the haunted echoes of the past, and ultimately confront a shadowy figure known only as 'The Curator' who controls the fate of these memories. The decisions made throughout the game will affect not only the outcome for Alex but also for the echoes, revealing intricate personal stories filled with drama, humor, and suspense.