Two strangers become dangerously close after witnessing a deadly accident. On a gorgeous cloudless day a young couple celebrate their reunion with a picnic. Joe has planned a postcard-perfect afternoon in the English countryside with his wife. 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, obviously. The pilot catches his leg in the anchor rope, while the only passenger, a boy, is too scared to jump down. Joe and three other men rush to secure the basket. But fate has other thoughts...