With Halloween fast approaching, Cassie and the town of Middleton are hard at work preparing for the annual Harvest Festival. This year, Cassie is transforming Grey House into a delightful haunted house, and when a handsome stranger checks in, the family suddenly find themselves on edge.

Cassie se enfrenta a la posibilidad de perder su negocio y Sam recibe una visita inesperada de Linda, su exmujer.

Cassie recibe ayuda inesperada mientras lucha por conservar su tienda, y se da cuenta de que siente algo diferente hacia Sam cuando le ayuda a tratar con Lidia.

Cassie and Sam puts their energy into the bicentennial Halloween Harvest Festival. Everyone in town prepares for the festival’s competition with rival town Blairsville. When a 100-carat ruby known as The Heart of Middleton is stolen from the museum where the festival’s gala is to be held, Cassie suspects a Grey House guest is the culprit.

The Good Witch meets her match when Cassie's long-lost college roommate, Autumn Delaney, makes an unexpected visit to Grey House on a mission to disrupt Middleton's Halloween festivities.