Lea Adri-Soejoko and Rahim Mohammadi were very different people, brought together by their shared love of gardening. Refugee Mohammadi's allotment was a mark of acceptance into British society, which is why he would do anything to keep it. Even kill his mentor, kindly 80-year-old allotment society secretary, Lea.
First up are a retired couple and their cafetiere with a twist, a woman who hopes her marmalade will make the perfect Christmas cocktail and a nine-year-old girl who has come up with a card game. Rylan Clark-Neal presents this festive version of the show, in which people with ideas for the perfect Christmas gift pitch their products to an audience of shoppers. They provide focus-group feedback, before representatives from three retailers - Amazon Launchpad, Lakeland and JML - decide whether or not to place an order.
The Witchfinder searches for his queen with Maghra and Boots. Haniwa, Kofun and others are nearing Jerlamarel.
Bradley is presented with an opportunity that could jeopardize her tenuous, newfound bond with Alex. Meanwhile, Jason and Alex share the news about their divorce with their daughter Lizzy, which she understandably doesn't take too well.
Ed, Gordo, and Danielle struggle with an extended Jamestown mission.
The team relaunches a case that eluded Hans Holzer his whole life: the Howard-Dickinson House in Henderson, Texas. Their investigation reveals that local lore about the historic home may contain a dark family secret.
In an attempt to start a new tradition, Julia hosts Thanksgiving dinner for her ever-growing family, but things go awry when she invites both Leon and the new guy she’s been seeing, and Roxy let’s a new half-sibling tag along. Meanwhile, with Tim’s parents in attendance, relentlessly homing in on the idea of children, Edie finds herself at a crossroads.
Sean enlists Dorothy's brother, Julian, to monitor her relationship with Leanne.
As Leanne settles in, Sean worries that Dorothy and Jericho are not in good hands.
Leanne, a young nanny, is hired to care for baby Jericho. But all is not as it seems.
Don's quest for a last-minute gift means a family trip to the mall, where Kayla tries to chat up a barista, and Emmy and Matt squabble over finances.
Drama swirls ahead of the family's traditional night of caroling as Joy catches Sean in a lie, Emmy questions Matt's career goals, and Don upsets Nancy.
On the first day of his visit, Matt gets a crash course in Quinn family dynamics when Don brushes him off and Kayla has a relationship crisis.
Emmy learns the truth about her job opportunity, Matt endears himself to Emmy's siblings, and a nervous Don prepares for his big date with Nancy.
Reeling from the state of her relationship with Matt, Emmy calls out Don on his controlling behavior. Kayla opens up on New Year's Eve.
On Christmas Day, Emmy eagerly awaits Matt's proposal, Don makes another misstep with Nancy, and Kayla rethinks her decision about her marriage.
As Don tries to rally the family for Midnight Mass, Patsy and Todd share big news, while Matt looks for signs about whether he should propose to Emmy.