Monsieur Papa is really a moving portrait of today's household, revolved around 1 2 Marius Vallois. Produced in a wealthy family, Marius is Marie Vallois, a CEO's son. Marie loves her son however, Marius has never known his own father and suffers by this. If Marius starts doing at school and shop lifting, Marie decides to recruit a father figure . One day in her office building, she meets Robert Pique. Robert is really a strange man that has a background in finance, however, also makes ends meet ironing clothes due to his neighbors. Reluctant at first, Robert insists to become paid to meet Marius and pretends to become his dad. Marius understands that Robert is not his daddy, but a deep bond develops between them.