Cassie Nightingale's and her daughter Grace's charm is no match for Middleton's newest neighbors.

Ashley, a troubled young woman, shows up at Grey House looking for a place to stay. Next door, after Nick's trouble at school, Sam attempts to discipline him without pushing him away. After being caught between them, Grace tries to avoid Nick, but soon finds herself a pawn in another one of his lies now involving her best friend Anthony. Using intuition and some of Cassie's advice, Grace plans to expose Nick's lie to Sam, who must finally improve his family's relationship. Meanwhile, Middleton prepares for the annual Heritage Festival, including a 10K race and grand ball, and bistro owner Stephanie hopes to spark a romantic connection and a date to the dance with Sam. Then, as a suspicious Brandon is eager to investigate Ashley's background, one of Cassie's coincidences draws Ashley and Derek together.

Against her best judgment, Cassie agrees to pose as Ryan's girlfriend to make his ex jealous, but this confuses the good doctor and Cassie herself when she and Ryan kiss.

Cousin Abigail Pershing returns to wreck havoc in Middleton as she sets her views on Dr. Sam who is dating Stephanie. Ryan wants to date his best friend, Cassie.

Dr Sam, his son, Abigail, Grace and Cassie all deal with their control issues. Abigail explains to Cassie how she has been helping everyone since her return to Middleton.

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

A storm continues to threaten the lives of the people in Middleton; Cassie and Sam work together.

Ryan foils plans to sell Bell, Book and Candle then shows up right before Cassie kisses Sam. His ex-wife moves to Middleton. Cassie gets yet another surprise party with all issues neatly resolved. Once again, all is well in sleepy Middleton. Written by anonymous

Whilst Cassie struggles with possibly loosing her shop, Sam receives an unexpected visit from his ex-wife.

Good Witch will take viewers on a new magical journey with Cassie Nightingale and her daughter Grace. When Dr. Sam Radford moves in next door to Grey House with his son, they are charmed by the 'magical' mother-daughter duo.