Gus wakes up in a dark void with no memory and no body. Screaming and cursing does him no good. He's trapped, until he learns about one man who can help.Joe Cavelli is a PI who hears ghosts, solves their murders, and sometimes fixes their personal problems. Now he finds himself pestered by an impatient, brash amnesiac. Solving cases for ghosts comes with a unique set of circumstances. This time, Joe can't even claim to be investigating a murder, since they can't find Gus's body. Together they delve into Gus's past, uncovering clues that lead to a startling conclusion.