Cassie's precious family heirloom- a beautiful ruby. The Heart of Middleton-goes missing from the History of Halloween in Middleton museum exhibit just in time for the anniversary festival and masquerade gala

Cassie and Sam's wedding is just days away in the season five premiere of "Good Witch," and the town of Middleton prepares for this highly anticipated event in "The Forever Tree: Part 1." As Middleton's resident enchantress Cassie (Catherine Bell) works on last-minute wedding preparations, Sam (James Denton) looks for the tree that her ancestor was married under as a wedding surprise. Though skeptical of Cassie's world-traveling foster brother Vincent (Gianpaolo Venuta), Sam invites him to be part of the search. Grace (Bailee Madison) becomes troubled when little hiccups keep popping up in wedding planning, and Nick (Rhys Matthew Bond) finds sudden inspiration to focus on his future when he meets a new girl. Abigail (Sarah Power) opens up to the idea of handing her responsibilities as mayor over to Martha (Catherine Disher), but a handsome stranger puts a wrench in her plans. Meanwhile, Stephanie (Kylee Evans) finds herself smitten by a hospital chaplain.

Cassie (Catherine Bell) and Sam's (James Denton) long-awaited wedding has finally arrived in 'Good Witch,' and they take an enchanting walk down the aisle in 'The Forever Tree - Part 2.' As Middleton prepares for the most enchanting event of the season, Sam receives some magical help from Grace (Bailee Madison) in finding the Forever Tree. However, the wedding brings up complex emotions for Grace, who becomes nostalgic for her late father, while Cassie worries her foster brother will let her down and miss the nuptials. Abigail (Sarah Power) steps up into her mayor duties and makes a surprising ally, while Martha (Catherine Disher) finds a new passion for television. Meanwhile, Nick (Rhys Matthew Bond) takes a step toward finding his future calling, and Stephanie (Kylee Evans) faces an unexpected reaction when she confesses her feelings for the hospital's chaplain.

Cassie and Sam celebrate their honeymoon at a country winery, where they help their hosts deal with a dilemma. Grace encounters her first heartbreak and Abigail holds a joint fundraiser with Mayor Donovan.

Cassie (Catherine Bell) hosts a royal guest at Grey House in 'The Prince.' When shocking news emerges about the visiting royal, though, he risks hurting someone he's grown to care for. Sam (James Denton) gets a visit from an old friend in need of his medical expertise but soon discovers that his cure may lie in Cassie's intuition. Grace (Bailee Madison) starts an internship for Abigail (Sarah Power) at City Hall and faces fierce competition from a fellow intern. Their competition benefits Abigail, who needs all the help she can get when the rival mayor's family tries to build on the site of a Middleton landmark. Meanwhile, Martha (Catherine Disher) prepares for the first episode of her television show and Stephanie (Kylee Evans) considers her romantic options.

Cassie's enchanting powers have always helped her friends in Middleton and a special elixir gives her magical gift a potent boost in 'The Tea.' Cassie serves a special tea to help Abigail (Sarah Power) open up during a date with her former nemesis (Marc Bendavid), newly reinstated mayor Martha (Catherine Disher) share her opinions with an artist painting her portrait, and two guests at Grey House reconnect. Meanwhile, Sam (James Denton) looks for help teaching his new resident a lesson in bedside manner. Disappointed after her top choice college rejects her, Grace (Bailee Madison) opens up to her fellow intern. Nick (Rhys Matthew Bond), on the other hand, feels his confidence shaken when he receives a college acceptance letter and focuses his nervous energy on restoring a car. Meanwhile, Stephanie (Kylee Evans) debates a business partnership with a new love interest.

Cassie, Grace and Abigail visit Cassie's alma mater, which is on Grace's list of top choice colleges. While there, Cassie receives an honor and helps her old college friend, Willow (Kathy Najimy) make a choice about her future, and Grace gets to know the school by connecting with her weekend host who's homesick. Left to watch Grey House, Sam (James Denton) and Nick (Rhys Matthew Bond) try to channel Cassie when helping father-son guests to communicate better. Meanwhile, Martha (Catherine Disher) switches to a hard-hitting gossip format to improve her TV show's struggling ratings, and Adam (Scott Cavalheiro) surprises Stephanie (Kylee Evans) with a date.

Martha and her husband, Tom, visit Grey House. Cassie and Sam realize that they still have some things to learn about one another. Donovan's overbearing mother complicates his and Abigail's relationship. Grace and Luke go on their first date.

A long-lost map drums up some excitement in Middleton, as adventure seekers spring into action in "The Treasure." After finding the treasure map, Martha (Catherine Disher) sends Vincent (Gianpaolo Venuta) on a treasure hunt - which leads to an unexpected competition between Vincent and another treasure seeker. After finding out that his wish as a teenager was to make a discovery, Cassie (Catherine Bell) encourages Sam (James Denton) to keep his eyes open for mysteries to unlock, starting with this newly discovered map. Grace (Bailee Madison) is hurt to discover that Luke had been spying on Abigail (Sarah Power) for his Aunt Dotty - Donovan's (Marc Bendavid) mother. Abigail continues to spar with Dotty, until a crisis makes her reassess her relationship with Donovan. Meanwhile, Adam (Scott Cavalheiro) helps Stephanie (Kylee Evans) with the launch of her food truck.

A wish-granting comet heads to Middleton, adding even more anticipation to the exciting graduation season in 'The Comet.' As the rest of the town thinks of their one wish, Cassie (Catherine Bell) just wants the best for Sam (James Denton) when he is offered a dream job across the country after successfully performing a tricky surgery. Grace (Bailee Madison) prepares for her valedictorian speech, while Nick (Rhys Matthew Bond) becomes unexpectedly nostalgic as high school wraps up. Abigail (Sarah Power) plans a trip to Europe to forget about her breakup with Donovan (Marc Bendavid), while Donovan tries to disprove the power of curses and win her back. Meanwhile, Martha (Catherine Disher) struggles to make amends with her nemesis, and Stephanie (Kylee Evans) and Adam (Scott Cavalheiro) are overwhelmed when their food truck is an instant sensation.

Grace and Nick's graduation day arrives and Cassie tries her best to make the occasion truly magical.