Television broadcast of The Moon in the Yellow River by Denis Johnston.

A German submarine is sent to the Orkney Isles in 1917 to sink the British fleet.

Follows a young writer, James Selworthy, who is trying to establish himself as a writer. Supported by his wife Molly, he sends off manuscripts to publishers, but is turned down again and again. When war breaks out, he joins the army and fights in the trenches.