Comedy series for seven- to 12-year-olds about two agents in a top secret organisation. It's time to pay rent on the Earth. Victor and Anita must deliver a rare slipper orchid to the Ammonites of Ammoniah, as proof of mankind's ability to look after Earth and continue their tenancy. But the orchid is extinct, and all Victor and Anita have is a plastic replica. Will the Ammonites notice? And why are Impostors chasing them?