When a painting of a beautiful woman disappears from a wall at Balmoral Castle, the consequences are far-reaching: a tragic death, a search for truth and motive, a fraught reconciliation between father and son. Who is responsible? The rare and elusive fish that inhabit the river? Or is the toss of the King's coin the ultimate arbiter? In this lyrical tale that moves between the royal residences, the Amazon rainforest and the meeting rooms of Gamblers Anonymous, the concept of chance - random events and their impact on our lives - is explored through a series of related happenings, with very unexpected results.