Abigail takes in a very pregnant widow Carla Noonan to keep an eye on her health while Coal Valley's doctor is away. Meanwhile, the new coal miners arrive to start working while bunking above the saloon.
Elizabeth helps a mute student who is struggling to cope with the death of her father; Jack investigates the mysterious circumstances surrounding the burning of Coal Valley's only church.
Cassie and Sam prepare for the next chapter of their lives as Nick and Grace get ready to graduate and attend college. On the last few days of school, Grace helps a local fashion designer make a dress for a client. Martha continues to try and find clues to the Middleton treasure, and Nick’s mom, Linda arrives in town. Stephanie and Adam struggle to balance their workload and their relationship.
