ER doctor Kate Reed believes she has a loving marriage—until one phone call shatters the illusion. While she's in surgery, her husband Mason Fadley claims his flight is canceled, but he's secretly with his sister-in-law, Sandy Young. When Mason collapses from expired drugs, Kate uncovers the affair—and learns her miscarriage was their doing. On Sandy's wedding day, Kate doesn't arrive to celebrate. She comes to expose their sins.
