Banker Roger Hobbs wants to spend his vacation alone with his wife, Peggy, but she insists on a family vacation at a California beach house that turns out to be ugly and broken down. Daughter Katey, embarrassed by her braces, refuses to go to the beach, as does TV-addicted son Danny. When the family is joined by Hobbs' two unhappily married daughters and their husbands, he must help everyone with their problems to get some peace.

Looking to spend a swinging summer at Lake Arrowhead, Carla, Beth, Brea, Heather, and Heather's cousin Paula head to the picturesque hills for a little R&R... but a pall soon casts over the girls' sunny vacation when a mysterious murderer begins picking off the lake's bevy of beauties. Can the killer be stopped before the coeds' summer fun ends in blood-spattered chaos?

Two identical twin sisters...one is very,very good--one is very, very bad. The good twin is due some big bucks. The bad twin wants 'em. Since they look just alike...look out.