Sherlock stared at the imperfect circle on his left wrist in horror, then sat down on his bed with a bit of a thump. After over thirty years, his heartmark was finally showing activity. This was not good.

“My high school reunion is on,” John tells Molly. There’s a short pause as she processes this. “That sounds like fun,” she offers. “Do you want to go?” “Oh yes, because that couldn’t possibly go badly. ‘Hello, I’m John Watson, I’m a professional killer.’ ” A Grosse Pointe Blank AU.