So I made a post about this scene on Tumblr, and apparently I wasn't the only one who expected this scene to go this way. This is really short and quite shoddy - forgive me, it's the middle of the night and I'm exhausted. But couldn't resist posting this just for fun.

Maura walked over to find Jane, Frost and Korsak gathered around Jane and Frost's desks. They were examining the pages of Paddy's book to try and find a connection between him and Calvin Ghetts. Maura sat down beside Jane as Korsak and Frost worked on deciphering Paddy's code.

She leant forward as a thought occurred to her. "How do I explain my presence if Lieutenant Cavanaugh comes in?"

Jane's eyes darted around Maura's face for a moment as she considered it. "Tell him you have menstrual cramps," she replied, and turned back to the papers in front of her.

"That doesn't make any sense."

"Well, yes it does." Maura and Frost looked over at Korsak questioningly. "He won't ask any questions once he hears those words." Jane nodded in agreement, her eyes still scanning the page in front of her.

They were all startled to hear Cavanaugh's voice as he walked into the room.

"Shirley Ghetts just called."

The detectives looked at each other guiltily for a moment before attempting to appear perfectly ignorant. Maura looked at Jane with wide eyes.

"Anyone wanna tell me why we have Cal's car in the evidence garage?" he continued.

Maura scanned the blatantly guilty faces around the desk before turning to look at Cavanaugh. There was a pause and no one supplied an explanation.

Maura cleared her throat. "I, uh, I have menstrual cramps."

There was a loud slap! and everyone turned to see Jane with a hand over her face.

Cavanaugh frowned for a moment before shaking his head, deciding that he didn't have time to figure out the relevance of Maura's statement, or what she was doing in the office.

"Oh, boy," Jane whispered.

"See you in my office, Vince."