An eminent psychiatrist vanishes from his office; the last person to see him is a troubled patient named Michael. The hospital director, Dr Greene, is called in to interview Michael. Miss Peterson, the head nurse, understands all too well the devastating loss that still haunts Dr Greene and warns him to steer clear of this particular patient – to no avail. Michael prattles on about elephants and opera (with the occasional hint of murder and foul play) and lures the hospital director into a devious trap. Dr Greene’s redemption will come at a hefty price...