In a bustling metropolis where soundwaves hold secrets, players assume the role of Charlie, a sound engineer who discovers they can hear echoes from the past simply by finding the right frequencies. Guided by their quirky, supernatural assistant Echo, players dive into the stories of various urban legends, each tied to a specific sound. By interacting with the echoes, players must piece together clues to solve mysteries, unveil hidden truths, and confront personal ghosts. Each sound and resonating memory leads to dramatic choices that shape not only the narrative but also Charlie's own past.