Mary and Michael, a long-married couple, are both caught in the web of infidelity. Each one has a lover on the side, with Mary seeing Robert and Michael involved with Lucy. They are consumed by their clandestine relationships and have grown indifferent towards each other, barely maintaining their household facade. Their son, Joel, is unaware of his parents' double lives and plans to visit them soon. As Joel's visit approaches, Mary and Michael each plan to reveal their affair to gain some much-needed clarity and make a decision about their futures.

However, an unexpected event disrupts their plans, leading to moments of genuine reconnection between Mary and Michael. Their previously dwindling passion reignites, sparking confusion and re-evaluation about what they actually want. The lovers outside their marriage become increasingly impatient and demanding, putting additional strain on their already fragile relationships. As the layers of their complicated emotional lives begin to unravel, Mary and Michael are forced to confront their true feelings and decide whether to dismantle their marriage or rediscover what initially brought them together.