What if you discovered your husband was a serial killer?

Megan Miller is an ordinary woman with a young family -- until a shocking discovery shatters her perfect world.

When two young boys are brutally murdered in their tight-knit village community, Megan slowly begins to realise the signs all point to the lovable local primary school teacher -- her husband.

But when she begins to delve deeper into her husband's secret life, she makes discoveries that will make her question everything she knows -- and make her fear for her young daughter's life.

Facing an impossible decision, she is desperate to uncover the truth. But once you know something, it can't be unknown. And the more she learns, the more she wishes she never knew anything at all...