Secrets are finding their way from HMS Zebra, a naval base, to the enemy, rendering the Navy's missile-tracking equipment useless. Steed and Mrs. Gale investigate, and find their attention drawn to the local sweet shop.

Emma's old friend, Paul Croft, returns from abroad to retire to Little Storping-in-the Swurf. Unfortunately, the village seems to be run along very strange lines. Threatened by yokels, Emma finds herself outnumbered.

When a woman is found walking barefoot in a snowy field, complaining of a dead man who wasn't dead, Steed investigates the Happy Meadows funeral parlour, which doesn't seem to be keeping its clients down under. What connection could that business possibly have with Mystic Tours?