Roger Tilton is suffering from a fear of open spaces. To him, the world outside of the Manor Park estate in which they live, is filled with terror. Unless Roger can cure himself, then he will have to live on the estate for ever. His father hasn't long left on the earthly plain, and so he changes his will to ensure that Roger will be cared for, with a clause that Roger's brothers also not leave the estate at any time, until Roger is cured or until he dies...