William Blake is a private detective. When he is asked by an eccentric scientist to investigate the where-abouts of his amnesiac missing wife, Louise, Will finds himself entangled in layers of deceptions and disappearances that lead him inexorably back to an unsolved mystery in his own past: the loss of his young daughter Emily. The case takes Will to brothels, nightclubs and amusement arcades in the Scottish seaside resort of Portobello. Identities become con-fused as his sexual obsession with a nightclub singer becomes entwined with sightings of Louise, his own torturous memories, and new visions of the lost Emily. The Existential Detective is a surreal, dreamlike story of loss, incest and what it means to remember.