The Campbells and Capt. Sims want to protect Maddie Todd, a woman from Ohio on the run from a vengeful family who hold her responsible for the death of their brother.
Neighboring farmer Robert Whitaker suffers a catastrophic injury during a barn-raising and does not believe his sickly son, Alf, can run the farm alone. Alf, Neil and Dr. Campbell try to show him he's wrong.
John Campbell finds Arthur Morrison, a runaway who has been indentured to a farmer, and brings him home. Dr. Campbell, worried about the boy's malnourishment, does not want to return him.
John is confronted by a growling dog in the woods who turns friendly when offered food. John brings him home, but the farmers think the dog has been killing their sheep. Hunting the sheep-killer results in a dreadful accident.
The son of one of Captain Sims' war comrades comes from England to court Rebecca Sims. The lieutenant's fancy uniform and genteel manners mask some serious character flaws.
Will Forrester is hurt when he is trampled by a horse while helping the Campbells clear some land. Emma is frustrated by the division of "women's work" and "men's work" on the farm and would like to help her father tend to patients.
Dr. Campbell finds an exhausted traveler who collapses on horseback clutching a gold nugget. Captain Sims, Neil Campbell and neighbor, Charles Burnett, believe they can strike it rich by investing in his enterprise.
An old friend of Dr. Campbell sends his snobbish son from England to set up as a farmer, but Clarence Wellington-Smythe is more interested in astronomy than farming. The neighboring Iroquois are suffering due to crop failures.
Mary McTavish's feelings for a former love are rekindled when he returns after a ten-year absence. Constable Jack Ames returns to Logan's Inn. He is looking for two army deserters who robbed a stagecoach.
After an attack on an army outpost by "yankee renegades", Captain Sims fears a U.S. invasion and decides to form a company of volunteer riflemen with young men from the neighboring farms.
Emma and John meet a traveler to York, Alistair MacDonald, who is friendly until he finds out their name is Campbell. He stays to seek revenge on Dr. Campbell for his ancestors' actions at the Glencoe Massacre 140 years ago in 1692.
A stagecoach carrying an actress from England, Rachel Tremayne, crashes forcing her to stay at Logan's Inn for a few days. Both Dr. Cambell and Emma are captivated by her.
Neil Campbell is smitten by Rebecca Sims' cousin Amanda who comes to spend the autumn with the Sims. Rebecca believes Amanda returns his feelings and is quite jealous, but actually Amanda's feelings are for someone else.
Mrs. Sims is exposed to smallpox on a visit to her aunt, but there is no vaccine in the area. Dr. Campbell, Neil and Sims search the neighboring farms for a sick cow so a smallpox vaccine can be made from the fluid in the cowpox blisters.
Samuel Colt brings his Traveling Science Show to town but two strangers are more interested in stealing his invention - the repeating revolver - than in his science demonstrations.
Sims is intent on winning the 5th annual Logan's Derby, a horse race and tomahawk toss. Previous years the Skerrit brothers have won the contest with dirty tricks and poor sportsmanship. Larry decides to try to stop them this year.
Jane, a black baby girl, is left at the Campbell's door. Her grandfather, a runaway slave named Matthew, comes to claim her and wants to settle in the community, but he experiences discrimination when he tries to acquire land.
Joshua Powell and son Nathaniel stop at Logan's Inn on their travels. Joshua impresses the crowd with tales of his great uncle, Daniel Boone. When area farms are raided by strange Indians he is asked to use his tracking skills to find them.
Capt. Sims searches for an innkeeper after receiving a note from Maddie Todd that she has left town. Mary McTavish wants the job, but Capt. Sims is not impressed by her. Meanwhile someone has been breaking into the inn and stealing food.
Dr. Campbell rescues Molly, a trapper who is being accosted by two men. They instantly dislike each other, but Emma thinks that means they belong together like Jane Austen's Mr. Darcy and Elizabeth Bennet, and tries to throw them together.
Suffering from cabin fever, Emma and Rebecca set out for Logan's Inn on horseback in the snow. The horse runs off. They try to follow, but they're pursued by a man with an ax and get lost in the woods. They fear freezing to death overnight.
Everyone eagerly awaits the arrival of the school teacher, Miss Quincy. Miss Caroline Quincy turns out to be Lady Caroline. Sims thinks a noblewoman cannot teach "peasant ruffians", but Dr. Campbell wants to give her a chance.
While hunting Neil falls through the ice and is saved by a fugitive from American bounty hunters. The Americans shelter at the Campbells, behave boorishly, and refuse to leave. The Campbells must find a way to reach Constable Ames.
John is feverish. Emma goes to the barn to get him extra blankets and finds Black Water, a wounded Iroquois. Dr. Campbell removes a bullet from his shoulder, but Five Claws and several other Iroquois show up to claim him for a blood feud.
Dr. Campbell tries to teach his reluctant kids to curl. The Scottish farmers have planned a curling 'bonspiel'; however, Sims needs a crowd to meet Mr. Stevenson, an important Tory, who he hopes will jump start his own political career.
Dr. Campbell returns to Scotland when he hears that his father-in-law has died. He is worried about his mother-in-law's health. He also tries to help Andrew, his brother-in-law, who is in trouble for protesting the Highland Clearances.
Dr. Campbell misses the boat to Scotland when he is ordered to care for Lady Helen who has passed out at the docks. Since the next boat does not leave for weeks, he waits at her estate where she hides a Highlander from the authorities.
