Aden 1965. This is the story of a British army unit fighting a Yemeni insurgency in the Middle East and the women and children who were there with them.

A friendship forged between James and Tully in a small Scottish town in 1986. One weekend, they make a vow to each other to go at life differently. But then, 30 years on, half a life away, the phone rings. Tully has the worst kind of news.