To spice up a dinner party, old friends agree to share every private message that pops up on their phones -- with disastrous results.

Bérénice Bejoas Marie
Stéphane De Groodtas Vincent
Suzanne Clémentas Charlotte
Roschdy Zemas Marco, husband of Charlotte
Doria Tillieras Léa
Vincent Elbazas Thomas, husband of Léa
Grégory Gadeboisas Ben
Fleur Fitoussias Margot, daughter of Marie and Vincent
Tassadit Mandias Marco's Mother
Denis Rouden