朱尼与他的养父班和好如初后，在一位富有的单身妇人的资助下搬到了一座小城。而这个百万富婆不但讨厌小孩子，而且一心想与班结婚。所以朱尼只得重施故技，使出他十八般绝招，尽量破坏父亲的「好事」。侏尼不但大闹舞会与婚礼，更找到了一个比他还坏的小女孩，两人施展各种诡计，骗倒了所有大人，而这个小鬼又一心想撮合彼此的父母，想让他们坠入爱河……

Roger is the owner of a very successful and exclusive health club. His gym attracts good looking women and men who want to pump iron, aerobicise and mostly socialize. Roger and his beautiful aerobics instructor, Annie, work out together in and out of the club. Annie pushes Roger to complete in the National Aerobithon. But for Roger to even come close to winning he must overcome his fear of defeat - in front of Annie and the world.