The man is well settled: his wife is at home, his mistress is at work. At home, the man has legitimate children, and his mistress gave birth to two illegitimate ones. Only now an exemplary family man wants to take the children away from his mistress in order to give them to his legitimate wife for upbringing. To do this, a man requires a genetic examination. A walking lover or a faithful one? And who will her children stay with?