Now that the estate is finally in good shape, Archie feels he must do something with himself. So when Killwillie decides to open a new restaurant in New York, Archie jumps at the chance to manage it. Meanwhile, Lexie scrambles to save a local couple from being evicted and Duncan discovers a shattering secret about his family.
Duncan takes a dip into the dating pool with the help of Molly's new dating agency while Paul gets working on establishing his new climbing center. But when the locals find out Paul is targeting out of area teenagers, they refuse to help in developing the center.
Golly gets an unexpected surprise when his daughter Jess shows up and Duncan travels to Glasgow for a job interview. Meanwhile, Paul takes on new responsibilities by trying to reform the local football team.
Duncan starts his new job with Dorothy and Hermione, leaving the Head Ranger position open at Glenbogle. While Jess tries to impress Golly to secure the position, Paul hires a young delinquent with many hidden talents.
Archie's elder sister Lizzie turns up with a life changing proposition for him and Andrew has his own proposition with Molly. At the same time, Archie and Paul continue to battle over joint control of the estate.
Lexie is the first female laird of Glenbogle and the host of the annual clan gathering which is sure to start creating troubles in every area of the estate. Matters go from bad to worse when an ancient rival of the MacDonalds' sets foot on enemy land.
Lexie gets an unexpected and unwelcome surprise when her father shows up at Glenbogle. Father-daughter relations are strained between Golly and Jess as well, and Paul learns of a secret that Amanda's been hiding.
On the eve of a new year, the house is haunted by a 14th century ghost who put a curse on the MacDonald family centuries ago. Just before the New Years Eve party, Paul discovers a long lost soldier who may help him understand the traditions of his new family.