Peter Baldock

The Doctor arrives on a planet where two tribes, the savage Sevateem and the technically brilliant Tesh, are at war. He meets Leela, an exile from the Sevateem, and discovers that the tribes' god of evil is apparently himself...

A teenage boy, Nick, has difficulty coping with the death of a friend. When Nick's grandmother also dies, his grandfather, thinking that the boy will not be able to handle another loss, conceals her death and takes Nick on a journey into the countryside.