A COUPLE WITH A SECRET. A VICTIM WITH A PAST. A COP WITH A THIRST FOR JUSTICE.

Nicola never imagines herself as a widow in her mid-thirties. Losing her husband to a sudden illness shatters her world, but then she unexpectedly meets up with Matt, her childhood love.

As they reconnect after years apart, Nicola finds herself drawn to his easy charm and gentle demeanour. Despite the guilt she feels for moving on so quickly after her husband's death, she can't help but fall for him.

Their affair is passionate and all-consuming, but just as Matt finally decides to leave Michelle his wife, Michelle disappears without trace. When a body is found and identified as hers, apparently a suicide, Matt's infidelity is considered the primary reason by her grieving family.

DI Barbara Forster seeks answers with the help of Alice Myers, an investigative journalist and creator of an edgy true-crime podcast, The Girl at the Window. As they dig deeper into Michelle's life, they discover a complex web of secrets and lies that paints a much darker picture, the truth more shocking than anyone imagined.

Through it all, Nicola stands by Matt's side, determined to show he is blameless and salvage their relationship. But with more deaths and the evidence mounting against him, she begins to wonder if she truly knew the man she fell in love with.

In the end, the truth emerges, but at a steep cost. Will Nicola be left alone once again, wondering if it was all worth it ...

A story of how a past passion leads to betrayal and a terrible revenge ... one that still torments the present.