The final moment has arrived. Chocky, Matthew and Albertine return to work together to defeat the enemy and to discover Chocky's secrets for humanity.

Two disc jockeys have a friend's murder to solve in the fringe-group melting pot of 1977 London.

Sammy and Rosie are an unconventional middle-class London married couple. They live in the midst of inner-city chaos, surround themselves with intellectual street people, and sleep with everybody - except each other! Things become interesting when Sammy's father, Rafi, who is a former Indian government minister, comes to London for a visit. Sammy, Rosie, and Rafi try to find meaning through their lives and loves.

The ghosts of a middle-aged woman and a precocious little girl help an unwed jazz musician and a bar dancer reverse their bad fortune.

Chocky hopes, with Matthew and Albertine's help, to help the human race discover cosmic power, which unlike Earth's finite natural resources, will sustain them for as long as the universe itself exists. But their knowledge has aroused a great deal of interest from the military, and they are willing to take drastic action if they don't get what they want.