Tommy Bedford grows up in Britain in the 1950s, idolizing the rugged American cowboys he sees on television. He finds joy in these heroes and escapes to their imaginary world, fleeing --- at least in his mind --- a home where there is little love. His much-older sister is beautiful, and he idolizes her. She is an actress who is working on her craft both on the stage and in films. Tommy is shipped off to a traditional boarding school --- a menacing and abusive place --- where he is tormented by the other boys for his bedwetting and ostracized until one day, at a family day event, his sister drives up looking in every way a star, and with her is the actor who plays his cowboy hero.
Diane sees how t