Jack's war memories haunt him when he reunites with his Marine friends. Mel struggles to handle conflict with her sister-in-law.

Mel grapples with how to honor Mark ahead of the anniversary of his death. Jack's stress leads him to bad decisions. Hope apologizes with pie.

When police find a body in the woods, Preacher worries about the implications. Charmaine and Jack work on a birth plan with Mel.

While Jack helps Mike zero in on Calvin, Mel and Doc investigate a mysterious outbreak that could be related to food poisoning. Hope learns a secret.