Robert Donat, playing the younger Glourie, delivers a strong performance in this amusingly silly ghost story. The plot revolves around the son of a timid Scottish clan leader who is destined to linger as a spirit within his castle until a member of their rival clan, the McLaggen, publicly acknowledges that one Glourie is equivalent to fifty of them. This predicament began way back in 12th-century Scotland, leaving ou…