Jack and Mel's wedding day gets off to an emotional start. The truth comes out about Doc and Everett. Hope's temper could cause trouble for Doc.

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

Old tensions and buried feelings emerge when Mel and Jack's pre-wedding parties get a little rowdy. Lizzie and Denny are uncertain about their future.

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

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

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.

When nurse practitioner Mel moves to a remote town in northern California looking for a new life, she's startled by the welcome she receives.

After finding an abandoned baby on Doc Mullins's doorstep, Mel and her boss argue over whether to call Social Services or find the newborn's mother.

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

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

Mel is taken aback by Doc's news after they interview a new doctor. To Jack's chagrin, Todd makes a bold request. Lily makes a difficult revelation.

After Hope and friends sew the costumes, Lizzie and Ricky rehearse for the Renaissance Fair. Brie and Mike team up to investigate who paid Brady's bond.

Joey arrives with some shocking news that has Mel questioning her sister's judgment. Jack brainstorms a new revenue stream.

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

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.

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

Mel plans a dinner for Cameron to meet Jack, but plans go awry. Connie warns Lizzie to be careful with Denny. Preacher befriends his aikido teacher.

Hope's concussive symptoms continue, frustrating both her and Doc. Meanwhile, Mel asks Preacher to help her surprise a stubborn Jack.

The Renaissance Fair kicks off. Mel worries about Jack after a familiar face triggers painful memories. Denny watches Lizzie and Ricky perform.

Everett takes Mel to a place that's dear to his heart. Brie confesses to Jack after helping Charmaine. Brady's past haunts him, and Mel lashes out at Doc.

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

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.

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.