<p>Meg, a retired doctor, is settling into her new home by the river when she witnesses a helicopter crash. Inside, the pilot and his nephew are trapped, and the helicopter is leaking fuel - a single spark could cause an explosion. Risking her life, Meg joins a stranger who is trying to help. But then... <em>'Don't I know you?' </em>She realises that this man is no stranger at all. It's Colin, a man from her past, who is still haunted by a shocking secret from the Vietnam War. Now, with his true identity revealed, there is nowhere to hide and someone wants him dead. As danger closes in, Meg and Colin imagine the life they might have built together if they had not been separated by war. Now, reunited after decades, they confront a deadly truth, and wonder if there might be such a thing as new love after seventy.</p>