Ma Mère takes place in the Canary Islands, where the film’s family shares a home. The mother Hélène (Isabelle Huppert), cool and in charge, and her teenaged son Pierre (Louis Garrel), a pious Catholic back from boarding school, discuss his father’s infidelity; the next they learn that he has died in a car crash. Hélène launches into a wild series of parties, gradually involving her son in her drugging, drinking and sex-fueled nights out.