Lauren struggles without wyatt, and Ryan struggles to let go of Jainie by spreading her ashes, The group rally to help them both
When Ryan starts dating Simone, Janie's ghost throws him off his game. The rest of the group uses Owen as a body double, after deciding to buy Lauren a wedding dress.
When the group settles on a date for their holiday party, it happens to fall on what Mr. K believes will be the end of the world. Ryan invites Anne along on his annual trip to wine country with Steven and Lauren worries her boyfriend is ready to pop the question.
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The group plans a scavenger hunt for Ryan's birthday.
Ryan encounters the ghostly apparition of his dead wife; the group tries to help Lauren overcome her test anxiety so that she can pass her real estate exam.
One of Hawks' linebackers needs Dani's help. Meanwhile, TK makes Damon's life a little harder and Jeanette comes back to town.
Castle and Beckett must reconstruct the 47 seconds prior to the time a bomb exploded at a protest rally in order to find who planted the bomb.
Brenda and her team, with the help of Buzz' visiting sister Casey, must figure out who sabotaged a zip line leading to Santa Randy's death as he was making his entrance into a Christmas Village. The investigation focuses on Santa Jack McBride as well a stash of drugs and cash that were found at the Village.
morelessRex and Julia divide up their mom's stuff which includes a piano. Leigh wants the piano at her place resulting in Julia stealing the piano and hosting all future parties at their place. Amy thinks Vance is cheating on her.
morelessVance buys a pair of red pants and wears it everywhere to prove a point to Amy, Rex tries to become friends with an influential dentist and Dave & Julia confront each other about the things they hate about each other.
morelessVance and Amy return from their engagement trip from Paris. Rex tries to convince Dave that he should buy a new car. Amy makes outrageous demands of Julia as her maid of honor. Leigh takes over as wedding planner.
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