Lainy (Amy Schumer), a 40-something Brooklyn schoolteacher, grapples with jealousy when her best friend Kate (Jillian Bell) and another colleague announce their pregnancies. Feeling left behind, Lainy resorts to wearing a fake pregnancy belly to garner sympathy and attention. Her charade leads her into unexpected situations, including meeting Josh (Will Forte), who becomes interested in her under false pretenses. As Lainy navigates the complexities of her deception, she finds herself entangled i