Best Friends Sue (Melissa Johnston), Lexi (Lisa Younger) and Cheryl (Jeneta St. Clair) have a pact going to save their virginity until they find the right man and get married. As their 18th birthdays approach, the trio decide to throw a big party to celebrate. As they try to decide on what new experience they want to share for the big party, Cheryl announces that she has decided to give herself to her boyfriend fully. At first Lexi and Sue are shocked but eventually they decide that they should all lose their virginity on the day of the big party. As their mansion is rocking and the pool fills with topless girls the three discover that having sex may be more of a challenge than they originally anticipated.