Huw Morgan, the academically inclined youngest son in a proud family of Welsh coal miners, witnesses the tumultuous events of his young life during a period of rapid social change. At the dawn of the 20th-century, a miners' strike divides the Morgans: the sons demand improvements, and the father doesn't want to rock the boat.

An RAF squadron is brought down over occupied France. The flyers get to Paris in spite of the fact that the youngest, Baby, is injured. He must be hidden and his wounds cared for. The Gestapo has already issued orders for their arrest.

A boat captain in the Caribbean becomes part of a bond theft/murder cover up.