Lucy suffered from a crash, causing amnesia. Tim breaks his heart trying to get her to remember their marriage. (Based on the movie '50 First Dates')

In which Lucy and Tim go on a long-term undercover assignment...as a married couple...after their breakup. It goes as well as you'd expect. Post S6 finale Chenford fic. - "Why'd you volunteer, Tim?" Lucy asks quietly. It's the question that's been plaguing her for the past two days, ever since she saw his name on the list. There's a lot of things that Tim hates, but she's pretty sure undercover work might be at the forefront. Yet, he had volunteered to do a long-term op, posing as her husband. She knows he's trying to pay everything back to her-small doses, he had said. But... This is a lot. This isn't just some small dose. This is just about as big as a dose that anything could be. "Because," Tim starts heavily, "I'll always have your back. As long as you'll let me."