After the birth of Léo, Morgane moved with her four children to Karadec, with whom she now not only works together, but also raises the children together and forms a shared apartment. The parental leave full of sleepless nights and camping in the living room is over and for the two of them it is now the day to return to work. But between fatigue, the eternal childcare problems and a mysterious crime that quickly leads to a nervous crisis, this 24-hour day could become the longest of her life.