Doctor of Psychomagical Sciences Elizabeth Moray receives an offer to join the Alliance Cell, the first diplomatic mission in the history of elven-human relations. Together with her young student, she goes to the human empire. At the same time, on the other side of the barricades, special agent Aya-Eya-Ya receives an order from above: to quietly destroy the members of the Alliance Cell. Aya agrees to complete the next task, but in fact wants to desert without permission, and also to rescue from captivity her close dryad friend, who is locked on board the flying fortress “Black Butterfly”. Aya, in search of allies, decides to seek help from her victims - Sota of the Alliance .