Soon to be a major US motion picture starring Anne Hathaway and Jessica Chastain, Mothers’ Instinct is a dark, twisty domestic thriller in which the bond between two couples—best friends and next-door neighbors—mutates in dangerous and deadly ways in the wake of a tragic accident.David and Laetitia Brunelle and Sylvain and Tiphaine Geniot are inseparable friends and next-door neighbors in a pretty, tranquil suburb. Their sons Milo and Maxime, born in the same year, grow up to