When you read the plot sy no psis for the film, you can see why Hath aw ay was scared of "Mother's Instinct," where she stars alongside Jessica Chastain ("The Eyes of Tammy Faye"). Per the official su mma ry, "Set in the 1960s, 'Mother's Instinct' centers on best friends and ne igh bors Alice (Chastain) and Celine (Hathaway), who live in a su bur ban paradise. Both are mothers to two sons of the same age, and their idyllic domestic happiness is shattered after a tragic accident." In the trailer, that a ccid ent involves Celine's son f alli ng to his death from a balcony — a d eat h that Alice tries to prevent but can't. However, after the incident, a major rift grows between the two friends, with Alice s tar ting to suspect that Celine mig ht blame her for what h appen ed ... and that she might want some revenge. "Guilt, suspicion, and paranoia bleed into their friendship," the plot synopsis continues, "as a psyc holo