Helen Codrington is unhappily married. Emily 'Fido' Fithfull hasn’t seen her once ear friend for years. After bumping into Helen on the streets of Victorian London, Fido finds herself reluctantly helping her to carry on an affair with a young army officer. The women’s friendship quickly unravels amid courtroom accusations of adultery, counter-accusations of cruelty and attempted rape, and the appearance of a mysterious 'sealed letter' that could destroy more than one life….

Based on a real life scandal that gripped England in 1864, The Sealed Letter is a delicious tale of secrets, betrayal, and forbidden love.