Beth, a successful author, and her husband Don, a well-regarded therapist, navigate through life's emotional complexities while supporting each other's careers. They live in New York City and appear to share an unshakeable bond, marked by mutual encouragement and love. Beth is finalizing her latest book and has always depended on Don's unwavering support and validation of her work. Meanwhile, Don is struggling with his own practice, feeling disconnected from his patients and unsure of the impact he’s making. Despite these underlying issues, they maintain a cheerful front, buoyed by the security of their long-standing relationship.

The couple's seemingly perfect mutual support is shattered when Beth accidentally overhears Don expressing doubt about her new manuscript to a friend. This revelation sends Beth into a spiral of self-doubt and forces her to question the honesty in their relationship. Beth’s sister, Sarah, and her husband serve as sounding boards as she grapples with her shattered confidence. As the couple confronts the raw truth of their feelings and perceived betrayals, they must reconcile the chasm between their supportive façade and their individual insecurities. This journey challenges their understanding of truth and deception and forces them to reassess the foundations of their marriage, while providing a sentimental look at how honesty impacts intimate relationships.