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.

York is sacked from Space Force after footage of him beating up an innocent alien ends up on the news. Teal is delighted to be left in charge of the ship in the officer's absence - but she faces a tough challenge when the team discover the Red Shiny Robots of Vortis are about to attack.

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.