After discovering an old best friend, a guy T.C. felt he let down, has died in a suspicious skydiving accident, T.C. insinuates himself into a group of extreme-sport thrill seekers that he believes are behind the ""accident"". With T.C. seeking redemption in the world of adrenaline junkies caught up in underwater challenges and mountain bike racing, Lt. Palermo and Chris Kelly are worried just how far T.C. will risk himself to find the killer. Ultimately T.C. comes to grips with the reality of his own limitations, and brings down the extreme group who are using their mountain bikes to pull off the daredevil robbery of an armored car. A purse snatching dog is nailing patron after patron on the Venice Boardwalk. The pooch runs up behind women, grabs their purse in his teeth and then flees through alleys and under fences.