Dean and Cas are two world renowned serial killers, and begin a game of cat and mouse, leaving each other messages in their victims, winking/waving at each other on security cameras. Eventually, it's going to come to a head when they both pick the same victim; Sam Winchester. Inspired by a post from therangerofthenorth on tumblr.

Sherlock decides to being a curious experiment, just as he takes on the mysterious case of Ms. Whitaker. But with Irene back in town, and a change in John and Sherlock's relationship, things start to become more complicated than Sherlock ever anticipated.

AU: With a past behind him, seventeen year old Castiel has escaped and is starting afresh in a new high school. He meets, Dean Winchester, his older and more mature teacher who knows right from wrong but sometimes temptation is just too much to overlook.

Castiel consults a Cosmo article in order to seduce Dean.