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When you see a man and a woman in front of the mayor, do you wonder which one will be the murderer?

When Gilles, having lost his memory following a domestic accident, must learn and rediscover everything upon returning home, welcomed by his wife Lisa... whom he doesn't recognize! She tells him about their intimacy, her incredible charm, their complicity. But doubts creep in on each of them about what the other is saying.

The lightness of the flirtation upon arrival takes on the appearance of a merciless confrontation, where not all truths are welcome! When duplicity is coupled with sincerity, the game becomes complex and everyone gets lost... To find each other again or to lose each other forever?