How do the Scottish laws on inheritance work? Why did this cause problems in the Jamisson family?

Why does Mack want to leave Heugh? What is the significance of a year and a day? How does Mack secure his freedom?

What financial problems was Sir George having? Why did he need the Hallim coal? What deal was made before Jay's marriage to Lizzie, without Lizzie's knowledge?

How did Mack become involved in the labor movement in London? What did it lead to?

How did Lizzie learn about the coal mining at High Glen? What happened as a result of it? How did this change her marriage?

Why did Lizzie decide to go with Mack? What about her husband?

Why did Jay set out to kill Lizzie? What made him do it? How did it end?