Pursued by a squadron of Dalek assault ships, the Master's only hope is to abandon the space-time vortex and flee into an altogether different reality: a realm of fiction.

Confronted with creatures of myth and figures from folklore, the Master sees an opportunity to scavenge a universe of impossible artefacts and use them against his enemies.

But first, he must face off against a host of legendary monsters, literary heroes and embody fiction’s greatest consulting detective: Sherlock Holmes.