On vacation in the Luberon, a high ranking civil servant, in love with the good old fashioned thinking, has to put up with a bunch of troublemakers in his haven of tranquillity and prevent them from watering in circles. Wife, child and mother-in-law in the front row, brother-in-law and sister-in-law as bonus gifts. Add to that a terrible heat wave and a mother left alone in her apartment in Paris... The cocktail is boiling, even explosive... with this heat it will be hard to keep it cool.

Yan, captain of a fishing boat, falls in love with the daughter of his boss, to the great displeasure of Jenny, his jealous mistress.

Elisabeth and her brother Paul live isolated from much of the world after Paul is injured in a snowball fight. As a coping mechanism, the two conjure up a hermetic dream of their own making. Their relationship, however, isn't exactly wholesome. Jealousy and a malevolent undercurrent intrude on their fantasy when Elisabeth invites the strange Agathe to stay with them -- and Paul is immediately attracted to her.