An airship off course. A crew losing their marbles. A creeping horror.

Having finally made it to Ceylon, Captain Qi and the motley crew of the Frozen Beauty picks up a simple job: carrying Dr Morbury, a botanist, and his cargo up the coast to Bombay. Nothing could be simpler.

But the trip turns into a nightmare as one by one the crew succumb to a strange disease. Until only the youngest member of the crew, Fanning, is left in his (or her) right mind.