The Wayland family, Lara, Marcus and their three children, are leaving England to spend a long, blisteringly hot summer in Trout Island, upstate New York. Marcus has been offered the lead in a play and Lara, still reeling from the abortion Marcus insisted on, hopes the time away from home will help her to love her husband again. A chance meeting at the play's opening night party reacquaints the family with an old actor friend of Marcus'. Stephen is everything Marcus is not: attractive, successful...and interested in Lara. As Lara feels herself increasingly drawn to him she knows it's a dangerous game she's playing. What she doesn't know is that it's also a deadly one.