The Middleton Merriwick is still not in bloom, and the effects are being felt around town. An old friend and colleague of Abigail’s checks into Grey House claiming to want a relationship. With help from Cassie, Ben stumbles upon the old Middleton Theater and is motivated to get the place running again.

Cassie gives a withdrawn traveling artist a new paintbrush and invites him to stay at Grey House, then she arranges for her and Sam to organize the Tri-Cities Healthfest, something that Cassie usually does by herself.

Cassie decides to plan a surprise party for Sam to celebrate the anniversary of his move to Middleton.

Cassie and Sam prepare to send Grace and Nick to college, but Nick’s mom worries about his move. Grace uncovers her true passion. A curse may keep Abigail from reciprocating Donovan’s feelings. The hunt for Middleton’s treasure leads Sam and Martha to a surprising discovery.

Cassie judges Middleton’s chili cook-off, which brings out fierce competition among residents, including Sam. Martha receives unexpected competition in her once-uncontested run for re-election. Cassie unearths a time capsule that reveals information about her current Grey House guest’s background.

Cassie, Abigail and Joy browse an estate sale, where Joy hopes to find a clock for Martha's renovation. Stephanie's ex-husband, Wes, comes to town to pack up their shared cabin.

Martha fills in as the local Dear Debbie advice columnist, getting an anonymous letter that adds intrigue to a progressive dinner attended by all of the 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 gives her art history students a lesson on perspective. Sam performs surgery on Adam, who worries about his recovery. Joy’s troubling dream about Abigail and Donovan may not be what it seems. Martha courts a French delegation to secure Middleton’s status as its sister city.

As Cassie gets ready for Grey House’s 225th birthday Martha leads the group in a tableau vivant recreating a Nathaniel Merriwick painting, leading to new clues surrounding the Merriwick-Davenport curse. Joy experiences life differently when her intuition suddenly takes a holiday.

Cassie welcomes a chocolate festival to Grey House where the confection has a special, sweet effect. Sam and Donovan discover a new clue surrounding the Merriwick-Davenport curse, while now-single Abigail gets an unexpected visit from a college friend for a surprising reason.

When Cassie and Sam’s weekend in Chicago gets canceled because Sam has to stay behind for work, she and her book club friends hit the road instead. While the ladies recharge the weekend also comes with surprises, including a potential clue about the Merriwick-Davenport curse.

Cassie’s teaching position winds down and Sam is forced to take vacation time so they try out different hobbies together. Joy’s faced with a decision when Donna accepts a job for them in Vermont. Abigail and Donovan make one last stand against the curse.

Cassie and Sam's much overdue date doesn't go as planned, and they end up stranded on an island.

Cassie, Abigail and Joy learn the origins of the pouches of soil but have more questions than answers. Cassie and Sam's double date with hospital administrator Grant and his girlfriend, Monica, doesn't go quite as planned. All of Middleton flashes back to the '50s when Martha organizes a "Grease" themed movie night in the park that ends with a surprise romantic gesture.

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.

Joy's dream sends the three Merriwicks on a search for Phillip Harper, Joy's father.

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

As the Merriwicks delve into the images on Joy's vision board, Cassie accompanies Sam on a trip to his childhood home to care for his sister.

Cassie and Sam are disagreeing about his return to work after his shoulder surgery. Flower Universe is trying to undercut Abigail's business, but she won't go down without a fight. Martha and Tom's special anniversary celebration brings all their friends together.

The pressure is on because strange things start happening to Cassie, Abigail and Joy's abilities, adding urgency to finding a Merriwick family heirloom.

Cassie, Abigail and Joy get ready to face the mysterious force that threatens the Merriwick family legacy. Series finale.

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

Cassie, Sam, Nick and Grace “play house” as they spend a night away at the family lake house. Hoping to bring everyone together, Cassie faces a few obstacles before they start acting like a family again.