Rich but insecure heiress Stephanie Harper believes she's found true love with tennis pro Greg Marsden, but after the nuptials, Greg promptly begins an affair with Stephanie’s best friend, Jilly Stewart. Whilst on their honeymoon, Greg pushes Stephanie into a crocodile-infested swamp, and he and Jilly watch as she is apparently mauled to death. However, Stephanie miraculously survives and travels to an island clinic where she undergoes extensive plastic surgery. Using her new identity, Tara Welles, and fortune, she plots revenge on Greg and Jilly, aiming to take back what's rightfully hers.

Television show host Brett and his laid-back science journalist girlfriend Tash despair that they will ever truly understand each other. On their first anniversary, under a full moon, a frustrated Tash declares her wish that they could swap lives. The next morning, Brett and Tash awaken to find Tash's wish has come true. Forced to confront the unfamiliar sensations of their "new" bodies, both must navigate strange new experiences with friends and co-workers.

Mike loves his fast cars and his hot women. When he fancies the girlfriend of the local street racing king, Fox, he gets way in over his head in racing for his girl, his money and his life. Through racing, sex, nightclubs and small road trips the film depicts what it was like to be a teenager in Australia in the 1980's.