Jack makes a momentous decision as Mel grapples with how to share surprising news. Doc is plagued with concern. Preacher meets with Paige’s friend.

Mel attempts to avoid celebrating her birthday while remembering the past. Doc confirms his troubling diagnosis and begins looking for his replacement.

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.

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

Mel endeavors to help an uncooperative Charmaine get hydrated while thinking about what transpired with Jack. Calvin offers Brady a new job.

Charmaine tells a stunned Jack to make a decision while Mel is left reeling and Hope is filled with guilt. Meanwhile, Paige opens up to Preacher.

A storm causes a town power outage and everybody gets together at Jack’s bar. Mel grapples with her revelation. Preacher investigates Paige.

Under pressure, Mel and Jack respond to a medical emergency on a remote illegal pot farm. Charmaine and Hope exchange words.

Hope’s health scare prompts a difficult conversation with Doc. Charmaine asks Mel uncomfortable questions. Paige keeps secrets.

When half the crew of a Navy ship abandon their boat in a life raft and are rescued 18 hours later looking about 60 years older than they should be,…