After fatally shooting a stalker, Parisian bar-maid Lea must live the life of the title reptile. At the time of the killing she was living with Francis, a much older American ex-con. After committing the murder, the fleeing and frightened Lea is saved by Paris paper boys Jean and Luc. Later she tells her sad story to hard-drinking Moskowitz, a middle-aged cop who secretly desires her. His unrequited love leads to tragedy. Meanwhile, Lea continues living with Francis, but also shacks up with Luc while trying to avoid the jealous cop.

In the village of Pama, Sirga the lioness and Oule the young boy, born the same day, grow up together as sister and brother. Oule discovers the world alongside Sirga, and it is through her that he learns the secrets of the brush. He knows how to speak to the trees, the beasts, the bees and the wind. But one day, horsemen arrive from the Nord to take away all of the children of the village in chains and sell them into slavery. Oule and his friend Lena are bought by a nobleman of the high plains who, terrified by Oule's powers, sends him into exile. But Oule posesses the strength of lions and he finds Sirga. With Lena, they will reconstruct the village of Pama...