A home for the mentally challenged is the target area of investigation when a robbery occurs involving a man with Down Syndrome.
Chris has to do a school assignment during the holiday break. He decides to do a good deed and helps Kill Moves find his estranged mother. Meanwhile, Julius decides that the family should celebrate Kwanzaa instead of Christmas because it's less expensive.
Broken hearts as far as the eyes reaches: Heidi and Spencer can't agree on their wedding plans while Brody and Lauren both refuse to make the first step.
The action continues and Patrik Antonius can't avoid big pots. Antonio Esfandiari, Sammy Farha, David Benyamine, Guy Laliberte, Daniel Negreanu, Barry Greenstein, and Doyle Brunson continue to battle on High Stakes Poker.
A rare and illegal machine gun that 'vaporizes' its victims is let loose on the streets of Miami.
Joan holds a fund-raiser to earn money for a holiday party for the support group of relatives for the soldiers in Iraq. Meanwhile, Monica learns of William's holiday traditions.
Ted's upcoming date with his doctor leads the gang to give him their own examples of why dating someone you already see regularly is a bad idea.
Nick is surprised when his father refuses to do the Christmas festivities in the house, and he decides to find a way to learn why. Physical Phil continues his tradition of pretending to be an architect when his parents come for a visit, which irritates his girlfriend. Eddie freaks out when Janet gives him a very personal Christmas gift. Owen and Alison end up in bed, but their happiness as a couple is soon put onto a test.
Jericho Freeman, Granddad's cousin, and his family, who were displaced by Hurricane Katrina, arrive at the Freeman's home looking for a place to stay. Granddad reluctantly allows the family to stay, but is soon trying to get rid of them.
Miss Matty suffers a disappointment, and reveals to Mary the great wrong done her as a young woman. Mary writes to Major Gordon about Jessie's changed circumstances. And Dr Harrison pays a formal visit to the rectory.
Dexter must make a massive decision that will have an effect on all those he holds close. Lila meanwhile is back with a secret to blackmail Dexter.
Stark has difficulty investigating the murder of a groupie when the singer and his group not only peddle their stories to the tabloids, but actively work against finding the truth.
Lou's boyfriend Carl arrives at Heartland with a couple of different proposals for Lou. His welcome, however, is both hot and cold.
Logan is in trouble when his dad discovers that he's purchased a $327,000 car without his permission. That's when Mr. Reese steps in and takes control. He takes away Logan's valuables, such as closing his bank account and cutting his credit card in half. When Zoey, Lola and Chase see that Logan is in desperate need of help, Zoey does Logan's laundry, Lola helps him with his hair, Chase types out his report, and they all try to teach Logan how to fend for himself with no money, But realize he got his money back and Zoey, Lola, And Chase are still helping him. Meanwhile, Michael says he can get out of any difficultly tied ropes, so Mark and Quinn tie him up to see what he can do. Does he have the skills he says he has?
Mihn joins the Arlen Gun Club so that she can practise her skeet-shooting skills and become a member of the Nine Rivers Country Club team. However, Minh loses track of the goal when she starts to identify with her "hillbilly" neighbors.
Xavier goes back in time by smoking and eating bacon in order to discover his origin.
Tim's birthday is coming up and Eric can't wait, so he takes Wait Mate pills. The problem is, he takes too many and loses his memory.
The team re-investigates the 1945 murder of a Japanese-American family man who was persecuted in his neighborhood following the Pearl Harbor attack. Meanwhile, Lt. Stillman has decided to retire from the force.
Meena's birthday is coming up, and Cory arranges for her party to be on the popular show "My Party Is Better Than Yours". This upsets her as the people on the show always acts like brats. Cory convinces her to go along with it as it would be great exposure so DC3. However, Meena's act soon becomes th real thing when she begins to act just like all the other brats on the show. She even begins treating Cory, Newt, and her own family horribly, so Cory decides to do something about it. Meanwhile, Sophie takes up an interest in cooking. However, non of her food tastes good, and the President, Victor and Samantha don't want to tell her.