Two strangers become dangerously close after witnessing a deadly crash. On a beautiful cloudless day a young couple celebrate their reunion. Joe has proposed a postcard-perfect day in the English countryside with his wife, Claire. However, as Joe and Claire prepare to start a bottle of champagne, their idyll comes to an unexpected ending. A hot air balloon drifts into the field, clearly in big trouble. The pilot catches his leg in the anchor rope, while the sole passenger, a boy, is too scared to jump down. Joe and three other men rush to secure the basket. But fate has other thoughts...