Fleeing a loveless marriage, Lara finds herself in the company of Will who is also running from his past. Will claims to have found the beginning of a trail of clues in a stolen medieval manuscript of "Gawain and the Green Knight". Travelling with him to Chester to begin deciphering the clues, Lara realises that Will has attracted the attention of enemies who seem capable of anticipating their every move. Lara's only hope is to find what lies at the end of the trail. But Lara discovers she has made some powerful enemies of her own with a hidden agenda...