Mel gets a surprise visitor just in time for the town's big dance party. Jack continues to suffer flashbacks from his time in the military.

Preacher happens upon a secret. Mel's memories threaten to overwhelm her. Jack has a sincere talk with Charmaine about their relationship.

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

Jack asks Mel for help when Charmaine experiences a complication in her pregnancy. Hope insists that Doc keep their relationship a secret.

Despite Mel's efforts, Charmaine's stay at Hope's house gets off to a rocky start. A situation involving Paige's past intensifies unexpectedly.

The town attends the annual picnic where residents engage in friendly competition, romantic tiffs and —as far as Mel is concerned — too much gossip

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.

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

Ricky and Lizzie struggle to find privacy. Doc worries about Hope, who may be stuck in a hurricane. Mel offers Jack an enticing invitation.

Lily divulges a devastating secret to Mel. Brie gets to know Brady better and admits something to Jack. Lizzie's ex surprises her.

Doc and Mel help Christopher and Preacher with a medical emergency. After an angry confrontation, Jack focuses his energy on a romantic gesture.

Jack and Mel argue about their relationship and their future while competing in the Lumberjack Games. Brie opens up about her painful breakup.

Jack meets with a custody attorney and his stress begins to overwhelm him. Brady gets brought in for questioning. Muriel offers Doc advice.

Heartbroken, Mel heads to LA to support Joey at her divorce hearing. More of Jack's memories return. Lily asks her friends to care for her children.

The town says goodbye to a dear friend. Brie suffers a loss of her own. Mel and Jack discuss what should happen with their relationship.

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.

Charmaine asks Jack for support at the baby shower. Mel has a tough conversation with Cassandra. Preacher worries about Christopher after their call.

Vernon and Hope argue about seeking in-home care, Mel confronts Cameron about his odd behavior, and Jack gets his glamping Airstream up and running.

Mel and Jack finally receive the results they've been waiting on. Lizzie organizes a send-off for Ricky before speaking to Denny about his secret.