When Jerry Grayson injures his leg in a sandlot baseball game, he's out for the season. He begins rehabilitation program in his school's pool under the watchful eye of the swim coach. To Jerry, swimming is relatively tame stuff, until the day he catches the last part of a swim meet. So, with the help of his friends Tanya and Tony, Jerry starts to learn the basics of swimming. Will he be able to move from teamwork of baseball to earn a spot on the swim team?