Grace decides to move home in order to pursue the person she blames for her sister's death, but working at the church proves to be more difficult than she imagined. In other events, Jacob takes on more responsibilities at the church as a result of her return; Kevin has doubts about his and Charity's plan to start a family; and the Bishop refuses a senator's inquiries into the church's finances.

Grace has an uncomfortable dinner date with a former beau and his fiancée; Jacob and Kerissa face the deficiencies in their marriage; Kevin has an unwanted attraction; and Senator Banks ups the pressure in his inquiry into the church's finances.

The mayor calls in a favor, which leaves the Bishop in a bind that could split the church; Grace is blackmailed about Faith's past; Jacob and Kerissa attend couple counseling; and Charity has difficulty keeping a secret.

Upon learning of Jacob's infidelity, James makes administrative changes. Grace helps her father minister to the parents of a seriously ill child.

Grace is asked to fill in as preacher. A provocative invitation has an unexpected effect on Jacob and Kerissa. Charity looks for a new choir director.

Mac is drawn to a neglected young neighbor. An unwelcome visitor to the church upsets Mae. The tax auditors find a red flag.

Grace reaches out to Officer Nelson while also working with Noah in an effort to find evidence against Mac; Lady Mae is suspicious of Grace and Noah; Jacob presents his TV plan to the Bishop; Lady Mae pushes the Bishop to reveal a secret; and the Bishop deals with a woman who is out to destroy Calvary.

Charity becomes suspicious of Kevin. Grace shows her father the evidence she's collected against Mac. Isabel senses Grace is hiding a secret from her.

A gunshot forces Grace to make a difficult decision. Sophia's father comes to take her back to Phoenix. Charity gives her husband an ultimatum.