The daughter of the Space Admiral has run away avoiding university and Henderson is ordered to get her back. Meanwhile both Vine and Jeffers have taken a shine to the young student and fight for her heart in the only way they know how - a duel. Arabella steals a shuttle craft and elopes with Jeffers leading them both into mortal danger.

The crew discover the Dreamgate, one of the most dangerous devices in the Universe, which gives its owner the power to infiltrate other people's dreams without their knowledge. Henderson and York wander into Vine's dream of a pub in the mid 1990s...

Entrusted with leading the convoy guarding Britain's new super-weapon, the Camden Lock's position is betrayed. There is a traitor aboard and all the officers are under suspicion. There is a desperate race against time to find the mole before Earth is destroyed.