After the death of her husband, Cassie Nightingale and her family find themselves caring for his ailing father-in-law. Moving in next door are the Radfords, Sam and Nick. Sam, the town's new doctor, has difficulty getting patients, as the town goes to Cassie's store for her more earthly herbal remedies.

As Middleton's Heritage Festival gets everyone in town talking, Cassie is back to her bewitching ways as she welcomes a scared young woman to the Grey House, only to find out she's being followed.

The Middleton police attempt to track down a missing Ashley, but it is Cassie who might know where to find her and how to change her direction. Meanwhile, the town is excited about the Heritage Ball at the Grey House, but a confrontation on the dance floor arises when Ryan's ex-fiancée shows up.

Cassie's mischievous cousin Abigail is back in Middleton, forcing Cassie to attempt tough love as Sam and Grace are swept up in Abigail's spell.

Cassie's magic can't keep her away from Abigail's scheming when the truth becomes too hard to hide and Abigail continues to stir the pot in Middleton.

Cassie tries to convince Sam to follow her intuition in order to help a young couple survive a blizzard.

As the winter storm continues to pose a threat to all of Middleton, Cassie and Sam work together to save a life and a crisis magically brings them closer.

When Middleton's enchanting "Good Witch" Cassie receives devastating news about the future of the Bell, Book and Candle, the whole town will come together to prove a little bit of magic goes a long way.