When daring criminal Jack Chance masterminds the heist of a precious national treasure from the planet Veltroch, it is the first step in a chain of events that could lead to the destruction of two civilisations...Pursued by bounty hunters, the Sixth Doctor and his shapeshifting companion Frobisher run into old acquaintances Glitz and Dibber - notorious rogues who have become involved in something big: a covert government agency on Vandor Prime is forcing the pair to turn their criminal talents to its own ends.The Doctor and Frobisher are soon drawn into the mysterious scheme themselves - but what game is truly being played by the authorities? How is the group of Ogron raiders involved? And who is so desperate to see the Doctor dead?Caught in a web of deceit and pursued by ruthless killers, the Doctor's mission - should he decide to accept it - is to join Glitz's gang and pull off the crime of the century. And failure will result in an interstellar war costing the lives of millions...