In a world where echoes have the power to reveal truths, you play as a struggling investigator named Quinn who stumbles upon a cryptic society that communicates only through echoes. As you dive deeper, you discover that these echoes are tied to the psychological states of individuals from your past, including your elusive twin sibling who vanished mysteriously. With each echo, you unpack layers of memory, guilt, and hidden motives, making choices that not only affect your investigation but also reshape your mental landscape. Can you confront the haunting echoes of your past and uncover the truth behind your sibling's disappearance?