Olga, a Ukrainian native, is a geopolitics lecturer at the Sorbonne in Paris. She appears to like everything: published by a large Parisian publishing house when she was less than thirty years old, professor at one of the world's most prestigious universities, blonde, sculptural figure - the gods appear to have bestowed everything on her.
But this is an illusion: despite her desire for affection, Olga is and has been lonely for a long time. Because she conceals a dark secret that stops her from living a happy life...
Then, this autumn, she encounters Bérénice, a twenty-year-old French brunette full of charm and terribly seductive, both to men and to women...
But Olga has never adored a girl, and she has no idea how...
Nonetheless, she is drawn to this girl in every class, she dreams about her, she constantly thinks about her...
Even so, she knows she'll never take the first move...