The inspirational story of Anglesey postmaster, Noel Thomas, who was unjustly accused of being a thief by the Royal Mail and jailed. He tells the full story for the first time, with insightful revelations by his daughter, Sian.

Stori ysbrydoledig y postfeistr o Ynys Môn, Noel Thomas, a gafodd ei garcharu ar gam. Mae'n dweud ei stori am y tro cyntaf gyda chyfraniad dadlennol, hefyd, gan ei ferch, Sian. Dyma i chi stori Dafydd a Goliath go iawn - un dyn bach yn erbyn cawr y Swyddfa Bost. Hanes rhyfeddol am sut y llwyddodd Dafydd o'n cyfnod ni i lorio'r cawr mawr, er gwaetha'i holl bŵer a dylanwad.