Nona, a consummate 70-year-old Parisienne, a feminist, and a strong and committed single mother of 40-year-old triplets. She is confronted with the surprise of a lifetime she is pregnant! Despite her secret love affair with André -- a mature university professor, he is not the father. But who is, then? Nona's daughters decide to move back into the family apartment to support their mother and unravel this mystery, all while trying to navigate their own hectic lives. Between the dreamer and forever student George; Gaby, the sex therapist who falls for Nona's male midwife; and Manu, the mother of a large family who starts to question her marriage, the pregnancy turns everyone's lives upside-down in many ways!