Thanks to Agaton Sax's incredible investigation abilities, a plot to poison Scotland Yard's Inspector Lispington is foiled and an attack on the detective's own home ends up with the capture of two crooked criminals.
But where did the criminals come from? What were they looking for? And what could possibly drive them to sabotage Lispington's muffins? Unable to turn a blind eye to the crimes committed, Sweden's finest detective sets out to follow the clues the criminals have left behind, unravelling the mystery that's been thrust upon him...
