Olivia Colman and Benedict Cumberbatch star in this black comedy directed by Jay Roach. Ivy and Theo Rose (Colman and Cumberbatch) appear to have it all until Theo's career as an architect is ruined overnight when one of his buildings is destroyed during a storm. At the same time, Ivy's career as a restaurateur begins to flourish which exacerbates the insecurities and tensions between the pair.

As their conflict escalates and their relationship becomes increasingly toxic, is there any chance of reconciliation or will they succeed in destroying each other?