Lewis and Hathaway investigate a man's death after his body is discovered on a tour bus, and they visit an estate where Hathaway spent much of his childhood. 89mins
Lewis and Hathaway attempt to solve the murder of the master of Gresham College, who was found in the observatory, and they discover a wide range of suspects. 88mins
Lewis and Hathaway examine a murder that occurred on Halloween, and they discover that the professor who was killed was also impaled with a stake. 89mins