One day, whilst searching in a cupboard, Glyn finds a sealed envelope with the words ‘Don’t Open

Destroy’ scrawled on it by his wife, Kath. Compelled by curiosity to ignore her instruction, he breaks the seal to find a photograph showing Kath holding hands with another man. Suddenly this one act of betrayal

hidden, concealed for many years

obsesses Glyn as he tries to get to the root of Kath’s infidelity. But what other lives will be torn apart as he recklessly delves into the past, and what is the truth about Kath?