When we left Trixie Aioli and Cherry Bomb in part 5 they just discovered the body of Graham Wafer. Fearing they'd be accused of the murder they flee. The way to travel back to their own time died with Wafer. 
In this instalment they arrive in a mysterious neighbourhood of living machines and discover a secret that may end their mission to change the future forever. 
Join Trixie's struggle to ultimate power in a galaxy in the greasy grip of star-spanning fast food corporations.