When an English cartographer arrives in Wales to tell the residents of the Welsh village of Ffynnon Garw that their 'mountain' is only a hill, the offended community sets out to remedy the situation.
Arnie Cole (Hoskins) and his wife Maud (de la Tour) are an odd couple, having entered into the state of matrimony for purely practical reasons. However, their marriage of convenience gives way to genuine partnership as Maud becomes caught up in Arnie's ambitions to start his own film production company.
Follows the story of grandfather and his grandson and what their generations had to go through which in the end may not be that different.
