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

Both Ryan and John wonder about a future with Cassie, Martha's spoiled son returns home, Linda adjusts Sam's home for her moving in, and Stephanie's meddling mom arrives.

A mother's love guides the behavior of Cassie, Stephanie, Mayor Tinsdale, Linda and the yearning Tara. Elsewhere, there's patient Sharon, Abigail, and handsome John.

Irresponsible grown children seem an issue, with Cassie's latest unpaying guest, Alexis, and with a money pit business proposal from Martha's son, Michael.

Cassie helps John comb through resumes for his dig in the Maldives.

Sam agrees to examine Cassie's guest Dan, who continues to insist he sees ghosts at Grey House; and, when the town pulls together and delivers a beautiful and surprising anniversary party for Martha, she is truly touched and grateful.

Abigail, jealous of all the attention Cassie gets from helping her customers, decides to sell "special" Venezuelan chocolates at her flower shop. When the chocolates are a hit and everyone in town seems in a better mood because of them, Abigail can't help but continue to cut corners. Though Liam's son Noah and Nick used to be friends, it's clear when Noah arrives that Nick isn't interested in staying friends.

Cassie discovers a 10-year-old girl - Pavla - playing in the bushes at Grey House. She is hiding from her adoptive parents, Eddie and Marla, who could use a little help from Cassie and Abigail as they forge their new family. Meanwhile, Martha announces that her son Michael is getting married. He and his fiancée Vanessa want a simple wedding, and Martha needs some gentle reminders from Cassie to not go overboard.

When Cassie learns from a friend that Sam never wants to get married she takes a vacation to Chicago. As while Nick is unsure about is relationship with his girlfriend.

Cassie gives those around her pieces of jewelry that magically turn out to be just thing each needed; Abigail helps Sam search for the perfect engagement ring for Cassie -- a legendary Merriwick heirloom thought to be lost forever.

An unpublished song written by a past guest at Grey House magically spreads throughout the town, heightening the emotions of those who hear it. Affecting each in a different way, Cassie and Sam learn to communicate about their future together.

Grace, in Middleton tradition, enlists the help of the town in making a magical quilt said to grant the wishes of the recipient; Cassie and Sam learn more about each other as secrets are revealed at their bachelor and bachelorette parties.

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 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.

Autumn Delaney, Cassie's old roommate, comes to tamper with Middleton's Halloween festival.

A competitive Chili cook-off turns friends into frenemies; Martha's Husband makes a startling announcement; Abigail's Father returns to Middleton; Cassie discovers a buried message.

Martha fills in as the local Dear Debbie advice columnist, getting an anonymous letter that adds intrigue during a progressive dinner attended by all of our Middleton couples.

Cassie pursues a temporary art history professorship while Sam diagnoses Adam. Abigail and Donovan realize that the missing diamond from the Middleton treasure may help break the curse.

Cassie and Martha smudge the mayor's mansion for her housewarming gala; Abigail and Donovan reunite and put up a final fight against the Merriwick-Davenport curse.

The curse has been broken. New romances, rekindled loves and weddings may be brewing in Middleton. What will happen when Donovan's brother visits? Will Adam return and finish what he started with Stephanie? The Merriwick women's mysterious satchels reveal their secrets.

Cassie and Sam's double date with hospital administrator Grant and his girlfriend, Monica, doesn't go quite as planned; Martha organizes a "Grease" themed movie night in the park.

Cassie, Stephanie and Abigail help Martha throw Claire a baby shower, sparking memories of Cassie's own baby shower.

Sam is excited to perform surgery on a star basketball player; Joy makes a discovery and decides to revive the Middleton Exchange tradition.

Old and new wishes start coming true after Cassie, Abigail and Joy toss coins into the historic wishing well.

Cassie and Sam are disagreeing about Sam's return to work after his injury; Flower Universe is trying to undercut Abigail's business, but she won't go down without a fight.

The pressure is on because strange things start happening to Cassie, Abigail and Joy's abilities.

Cassie, Abigail, Joy and George come together to protect the Merriwick magic from the mysterious force over Middleton; Cassie and Sam make a momentous decision about their life together.