John Ransom is found murdered with suspicious burn marks to his head. The investigation leads to two feuding families – one with the ability of second sight.

Number Six hears of an assassination plot against Number Two, but it’s the new Number Two doing all the plotting against the retiring Number Two.

After watching an embarrassing program on TV with Susan, Steve bumps into his dream celebrity, Mariella Frostrup, in the bar, but it is not the dream encounter he might like,…

Holmes and Watson travel to Europe to escape Moriarty’s vengeance.