Why does Dr Alfred Jones feels as though something is missing in his life? He has many reasons to be content. His job as a fisheries scientist is satisfactory, and he has just celebrated his twentieth wedding anniversary. . . When he is asked to help create a salmon river in the highlands of the Yemen, Fred rejects the idea as absurd. But the proposal catches the eye of several senior politicians. And so Fred finds himself forced to figure out how to fly ten thousand salmon to a desert country - and pursuade them to swim there. . . As he embarks on an extraordinary journey of faith the diffedent Dr Jones will discover a sense of belief and a capacity for love that surprise himself and all who know him.