Léa, Marc, Karine and Francis are two couples of long-standing friends. The macho husband, the rather loud-mouthed girlfriend, everyone occupies their place in the group. But, harmony shatters the day Lea, the most discreet of them, teaches them that she is writing a novel, which becomes a bestseller. Far from rejoicing, small jealousies and big crap begin to fuse. Human, too human! It is in the face of success that we recognize our true friends … Would the happiness of some therefore be the misfortune of others?