Willie is elected the first president of the Junior Mine Worker's Association; Nellie tries to persuade Maggie and Sarah to go back to Halifax.
Nellie learns that the new doctor is her old boyfriend; Willie campaigns to get the mine to hire Dr. Moressa permanently.
An explosion at the mine causes tension on the baseball field; Nellie discovers a new hobby.
Willie is torn between his love for Sable and his duty at the mine.
Charley is injured on a fishing trip and Willie has to rely on his friends to get things done.
Willie discovers Spider's secret; Ned takes Spider in when his home burns.
Ned decides to take the overman's exam after Nellie loses the farm; Charley is rushed to the hospital.
The Ponies break up just before their championship game due to a conflict between Dr. Tony Moressa and Ned.
Charley and Miss Harper hope to bring Willie and Maggie closer; Ned prepares for the overman's exam.
Ned learns a hard lesson about his new job when there is a collapse in the pit; Nellie teaches Ned a lesson in teamwork.
Sarah infuriates Maggie upon her return from Halifax; Sarah develops a sophisticated attitude.
Stringy Borso leaves Glace Bay for baseball camp and Nellie's choir plans a farewell performance in his honor.
A stunning female fiddler causes a stir in Glace Bay during the annual Fiddler's Fall.
Willie and Charley capture a wild stallion; pressure is on Ned to teach the men how to tame the modern coal cutters.
The new machinery Ned gets for the mine causes Spider to loose his hearing; Rufus and Scotty have trouble maintaining their machine.
Ned and Nellie argue about adoption when Nellie takes in an abandoned baby; Stringy returns home and encourages Willie to apply to a photography school.
A crowd rallies behind Ned as he battles with Mr. Crowe over the future of the mine; Willie is accepted at a photography school in Boston.
In Glace Bay, Nova Scotia in 1904, Willie and his pony train for the horse pull; Nellie tries to decide whether to marry Ned Hall.
Wedding preparations test the MacLean resolve; Willie is unhappy because Ned now has no time for him.
Willie and schoolmates, Mollie and Angus, are forced to spend the night in an abandoned house reputed to be haunted on a dare from pit boy Spider; there, Willie thinks he sees his father who advices him that things will get better.
Willie learns about power while honoring the victim of a mine flood; Ned and Nellie attend a funeral.
After Mr Frawley unjustly fires Ned to set an example, Rose then wants to take Sarah, Maggie and Willie back to Halifax afterwards; Willie refuses to leave town until Ned breaks off the engagement.
A famous fiddler visits the MacLean household just as Nellie and Ned are leaving for their honeymoon, catching Aunt Rose off-guard.
Willie spots a ghost ship off the coast; his friendship with Molly and Angus is strained when a treasure mysteriously disappears.
After Willie's horse, Sable, goes missing, Willie suspects that he may have been stolen and he is forced to sneak into the coal mine with Ned to look for his horse.
Ben vouches for Ned to prove that the pit pony Sable is Willie's horse; Willie becomes determined to find out who stole his horse, and soon discovers that the "treasure" that Spider is still digging on the beach for is in fact stolen loot.
Willie wants to meet Alexander Graham Bell after Glace Bay gets phone service; Nellie is disappointed with her anniversary present.
Willie hopes his new camera will capture his father's ghost on film, but it leads him to another of Lingermore's spirits instead.
A crusading reporter takes Nellie into the mines with her to expose the cruelty of child labor; with Alex Wrathell and Shaun Smyth.
When Ned is temporally laid off as the mine puts in new electric wires, Nellie thinks about getting a job; but Ned, due to his pride and ego, strongly opposes her choice to look for work; meanwhile, Miss Harper sets up a reading class at the mine.
Ned, still suffering from burns caused by a mining accident, returns to work early to pay for Willie's birthday party.
Aunt Rose offers to buy Nellie a farm; Willie takes a job with Mr. Frawley against Nellie's warnings.
Ned, Nellie and Willie find that working extra hard to build the farm fund leaves little time for their other responsibilities.
Willie's fear of the mines keeps him from giving Ned important information about a new machine that can cost miners their jobs.
Charley nurses Spider's horse back to health, only to see Doyle place the animal back in the constricting mines.
Molly asks Nellie to help make her more feminine; Ned is reluctant to help the miners after he lost the election to Doyle.
Mrs. MacTavish wants to get Nellie out of the telegraph office and into the classroom -- as a teacher.
Feeling like an outsider, Maggie runs away, only to find that life in her old hometown is not what it used to be.
Willie helps Charley overcome the two deaths that have been haunting him.
Willie and Maggie have to fill in at the school for an ill Nellie, who has confided to Ned that she is pregnant.
Willie is concerned he will lose Nellie and Ned to illness; Rose and Sarah help Willie make a difficult decision.
Willie organizes a pit-boy walk out, bringing Ned and the other miners to follow suit; with Jennie Raymond.