After the death of her unfaithful husband, Gisele, a social worker of 52 years, falls madly in love with Yannick, one of her former customers and kleptomaniac addict. She tries to repress her feelings, but the attraction she has for this 19 year old boy is beyond comprehension. Her sister, her boss and two children will each turn, disrupt her secret meetings with her young lover.

At the hospital, three brothers meet at the bedside of their mother in a coma. To pass the time, they discuss the merits and pleasures of marital fidelity and infidelity. The conversations of the two youngest advance as the days go by in increasingly juicy details and fantasies, which will push them to act against the morals and more solid values ​​of the eldest.