Heather and Heidi play volleyball for their school team, when their family decides that they need to go to a bigger school so that they will have a better chance for scholarships. But at the new school, the twins are discovered by the basketball coach. Inspired by the true story of Heather and Heidi Burge.

On its last leg homeward, from Pearl Harbor, Hawaii to San Diego, the USS Constellation hosts a jolly "tiger cruise" for US Navy, Marines and USNAF relatives, mainly minors ("Navy brats"). Attitudes and emotions vary from simple joy to open frustration, the worst brat being XO commander Gary Dolan's daughter Maddie, who wants him to refuse a promotion to command for a shore job. Then the news of the WCC terror crisis changes everything, as the crew is recalled to war footing.