In a world where every sound has a story, players take on the role of an underappreciated urban sound designer named Alex. After receiving a mysterious echo from an unknown source, Alex must navigate through forgotten alleys, eerie clubs, and vibrant rooftops to uncover an underground society of echoes—each with its own tale to tell. Players interact with intriguing characters, solve auditory puzzles, and piece together the origins of each echo, ultimately discovering a deep-rooted secret about their own past. The choices made will alter how echoes respond, leading to multiple endings and a replayable narrative filled with humor and suspense.