Kevin suffers a blow to his ego when he learns that Sarah dated someone else when they split two years ago. Meanwhile, Jamie suffers a painful neck injury after throwing himself in front of a car to gain the sympathy of two gorgeous tire models. The ploy works and the guys go out on a double date with the models, but their ""hot"" evening turns chilly when Kevin unexpectedly gets cold feet. After Sarah throws Kevin a curve ball by telling him she slept with other men during one of their ""cooling off periods,"" he decides to even the score by secretly playing the field. Meanwhile, Jamie becomes a real pain in the neck after getting hit by a car.