Erful is a strange and lonely character, and his only happy memories are those of his school days. When a former pupil is murdered, Erful feels that he has a duty to solve the case. In doing so, he has to venture from his familiar world, and grapple with issues from his own past if he wishes to survive.

• Clawr
• Teitl
• Hawlfraint
• Cyflwyniad
• Cynnwys
• Pennod 1
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• Pennod 22
• Pennod 23