Under the influence of a rare celestial event, Eastwick "goes wild" for a night - and our ladies aren't spared. Newly-single Kat fulfills a longtime fantasy -- atop a piano -- while Roxie and Mia end up in an embarrassing predicament with Chad and Josh. Feeling the pressure from her editor, Joanna, with Penny's help, rushes to print a newspaper story that gets her in some very hot water.
In Eastwick, Halloween is the most important holiday of the year, when the town embraces its heritage with a good old-fashioned witch burning. Haunted by visions of a funeral, Roxie races to save those she loves from peril - but can she change fate? Wrestling with her feelings for Will, Kat tries to help Joanna win him back, but only manages to drive her away. And, devastated after losing her job and her man, Joanna discovers things can always be worse.
After Chad visits her one last time in a dream, a grieving Roxie resolves to fulfill his last wish -- if she can figure out what it is. Hounded by Max, her replacement at the Gazette, about her kidnapping ordeal, Joanna grapples with her own lingering questions while dodging his. And Kat, startled by a newfound ability, realizes that Bun's old friend Eleanor Rougement, may have answers for both of them.
Thrilled when Darryl arranges an art show for her work at his mansion -- and invites New York art maven Greta Noa -- Roxie forgets that his motives might be less than pure. Joanna turns to her power to get her life back on track, but swiftly discovers that every action, magical or otherwise, has its consequences. And Kat, still unsure about how to move on from Ray, shies away from a budding romance with Will.
While enduring a visit from her mother, Edie, Roxie discovers a newfound power. After Jamie's failed attempt to poison Darryl lands Greta Noa in the hospital about to die, Darryl urges Kat to embrace her healing abilities so she can save his friend. Meanwhile, as Joanna tries to resurrect her writing career, her rivalry deepens with cocky reporter Max. And Jamie is forced to team up with Bun and Eleanor to finish the job on Darryl.
After Jamie reveals to Roxie that Darryl is his father, she sets about having a dinner party where father and son can bond. But Jamie has a secret, darker plan for the evening. Meanwhile Kat embraces her newfound power by healing every patient she comes into contact with, but her compassion leads to drastic physical consequences. And Max asks a reluctant Joanna to help him crack a famous unsolved Eastwick murder, but their snooping leads them to a perilous situation with Eleanor.
When the ladies make a pact never to reveal what they did to Jamie, they realize they must go their separate ways -- and abandon their powers. A guilty Joanna tries to help Penny find closure; sparks fly between Kat and her hot new neighbor, single dad Colin, who has come to Eastwick with his young son Gene and a dark secret; and just as Kat and Joanna are moving on, things gets complicated for Roxie when Darryl returns to Eastwick with the truth about his mysterious past.