Author: Myfanwy Alexander.

It's almost Christmas, and Superintendent Daf Dafis is looking forward to a relaxing time with his family. But his hopes are dashed when he has to investigate the death of a prominent academist during a local 'Plygain' carol service in rural Montgomeryshire.

Awdur: Myfanwy Alexander.

A hithau ar drothwy'r Nadolig, mae'r Arolygydd Daf Dafis yn edrych ymlaen at ymlacio yng nghwmni ei deulu bach. Ond pan gaiff academydd blaenllaw ei lofruddio yn un o wasanaethau Plygain cynta'r tymor, mae'r gobaith hwnnw yn prysur ddiflannu.