On a towering pinnacle of rock, at the foot of a mountain pass, stands the Castle of Flowers. It sounds a pleasant spot in this rugged northern frontierland. But though it may once have been beautiful - it is now a place of nightmare..

The rare plants that the old botanists nurtured long ago have turned into, intelligent killers- hungry for blood. Their clutching, poisoned tendrils attack all intruders. For they are the guardians of the castle- and of the helpless prisoner inside it.

A desperate rescue mission must be attempted, and YOU have been chosen to undertake it. Dare you enter the Garden of Madness- and discover the further horrors that lie in wait within the fortress itself…?