In a new adventure, Efiimia, Bertram, and Rory receive a mission from the royal agent Fitzroy. During a Christmas party, they’ll have to carry out his mysterious assignment. But when Efiimia realizes what’s really behind the government plans, she is horrified. After signing a non-disclosure agreement, she has practically tied her own hands. However, when Efiimia stumbles upon yet another corpse, she understands that it’s time to act—no matter what!