Kidnapped by his oldest foe, the Doctoris forced on an impossible mission – to a place even the Daleks are too terrified to enter… the Asylum. A planetary prison confining the most terrifying and insane of their kind, the Doctor and the Ponds must find an escape route. But with Amyand Rorys relationship in meltdown, and an army of mad Daleksclosing in, it is up to the Doctor to save their lives, as well as the Pond's marriage.