The world has been gripped by a catastrophic virus, and everyone over the age of eighteen is infertile. Society now values teenagers above all others, and 'conception contracts' with the most attractive, intelligent girls are eagerly snapped up by would-be-parents, desperate to pay for a healthy baby.

Eight-and-a-half months ago, Melody scored an amazing contract with a rich couple, and was matched with the hottest 'bumping' partner in the world: the gorgeous Jondoe. Her future looked set - until her identical twin Harmony opened the door to Jondoe. A case of mistaken identity and a moment of madness followed - and the wrong sister fell pregnant.

Now Harmony has disappeared, determined to raise her babies herself - and for the last eight-and-a-half months, Melody has been faking the most high-profile pregnancy in the world. And both sisters know time is running out . . .