Elisabeth Moss delivers an electrifying performance as a woman in the throes of a mental breakdown in this claustrophobic, emotionally intense drama.

Moss has come to visit her childhood friend (Katherine Waterston) at her wealthy family’s remote lake house, seeking solace after being ditched by her boyfriend in the wake of her artist father’s suicide.

But the snippy Waterston, abetted by her sardonic neighbour Patrick Fugit, only adds to Moss’ pain.

No one in writer-director Alex Ross Perry’s film is remotely likeable, which may be a turn off for some viewers, but Moss is mesmerising and the less showy Waterston proves a worthy foil.