Femke, a gifted and resourceful young spy, is entrusted with a vital foreign mission by the Emperor. Her adversary, Shalidar, frames Femke with responsibility for two murders while she is visiting their neighbouring court. Femke is isolated in an alien country, being pursued both by her enemies and by the authorities. Only her sidekick, Reynik, a young military trainee, can help. Together, they must outwit the evil assassin Shalidar and prove Femke's innocence so they can complete the imperial mission.