The Starstormers - Vawn, Ispex, Tsu and Makenzi - hurtle through space in Starstormer, the spacecraft they've built themselves, seeking their destination Epsilon Cool. Under constant threat from the evil Octopus Emperor, whose immense powers reach throughout the galaxy, their senses are alert to all dangers. In the depths of space they come across a huge abandoned spacecraft - a ghost ship with a chilling signal: Plague ship! Keep away! But the Starstormers desperately need spare parts for their own stricken craft. Despite the warning, they must venture aboard. But too late, they discover the ship's chilling secret - and they are destined for a terrifying journey towards the centre of the sun . . .