The weather is going to hell. The tigers are coming to town. And the Doctor has taken his violin and vanished. The island world of Hitchemus is home to a colony of musicians and seemingly harmless alien animals. When the storms and the tigers break loose, the Doctor tries to protect the humans — but the humans don’t want him. When he ventures into the wilderness in search of the tigers’ secrets, Fitz and Anji find themselves on their own, trying to prevent a war.