When an explosion goes off at the passenger check-in desk at London's Heathrow Airport, the unexplainable event is deemed an act of God. For private investigator Dirk Gently, it's his job to find out which god would do such a strange thing. In the meantime, one of his clients is murdered and his battle with the cleaning lady over his unbelievably filthy refrigerator comes to a standoff. Is it all connected? Or is this just another stretch of coincidences...