In the distant land of Questie, Ploneïs is an adventurer who travels along the banks of the Purple River in search of fortune. After acquiring valuable riches, he falls into the hands of Madame Lyrä, the owner of an establishment hiding a formidable power: the ability to transform men into women. Turned against his will into Ploneia, Ploneïs suddenly discovers the condition imposed on women in this region of Troy. Forced to adapt to his new identity, he becomes caught up in an adventure where survival, power relations, and prejudice combine with the characteristic humor of the world of Troy.