On next week’s mid-season finale of Psych [USA Network, Tuesday, December 14th,10/9C], Shawn and Maggie’s plan to have a nice, quiet spa weekend – and taking their relationship to the level – is derailed by a couple of grifters and a Mafia-related murder. Jason Priestly plays Clive, one of the grifters, and talked with reporters/bloggers about the experience.