In 1862, in rural Pennsylvania, Sarah Neumann (of Christmas at Stone Creek) is delighted with the announcement of her sister's betrothal to long-time family friend, James Styles. Sarah's joy is short-lived, however, when her sister's wedding reveals a secret romantic triangle that threatens the Neumann family. Sarah is torn between wanting her sister's happiness and safeguarding the family at Stone Creek. As the Civil War draws closer to home, Sarah's beloved father unwittingly adds to her burden when he unveils a shocking secret of his own, and Sarah is forced to redefine her vision of true family.