Harry and Severus are already a couple and for some reason Severus wants to take Harry to Canada for Chrimstas. Harry is a bit upset about not having his normal Christmas with the Weasleys, but to please Severus he agrees to go. Harry wondering why Severus wants to go to Canada, when they get just as much snow in Scotland at that time of year. Unknown to Harry Severus has arranged for all the Weasleys et al to share their holiday, as Severus has planned a surprise Muggle gay wedding for them ;)