The whole town is ready for the holidays: the Cookie Club is baking, Main Street glitters with lights, the carolers sing . . . there's even a Christmas wedding. When bodyguard Ryder sees his best friend's sister, Katie, at an L.A. Christmas party, he mistakes the slinky blonde for a celebrity stalker and tackles her. Then they tackle each other . . . at his place. The next morning, Katie's gone, and Ryder tells himself it's...