New York, 2016 - Every day Natalie Abbott offers sage advice to hurting listeners on her popular radio program. But away from the comfort of the studio, she struggles to connect with her family; with an out-of-control daughter and an uncommunicative and isolated son, Natalie takes solace in the daily woes of others, turning a blind eye to the pressing issues mounting at her doorstep. Her carefully constructed world implodes when a member of the family commits an unspeakable act. Known as the woman with all the answers, for the first time Natalie questions her way forward.
New York, 1776 - Mercy Howard watches in abject horror as the man she loves, her fiancé Nathan Hale, is arrested and hanged as a spy. When asked to join the revolutionary spy ring in Manhattan, Mercy sees an opportunity to avenge Nathan's death. But keeping her true loyalties hidden grows increasingly challenging as the charming Major John Andre of the King's Army becomes more to her than a target for intelligence.
Mercy's journals offer comfort to Natalie from across the centuries as both women struggle with their own secrets and well-kept shame—and wonder how deep God's mercy truly extends.