In the summer of 1974, a seemingly ordinary barbecue in Somerset, England, took an extraordinary turn when Peter Williamson, amidst a sudden thunderstorm, vanished in a flash of lightning. His wife, children, and guests, who had sought shelter on the patio, witnessed his sudden disappearance. One moment, his silhouette was visible against the blinding light; the next, he was gone. Despite an extensive search by police, no trace of Peter was found. The surrounding yard was enclosed by high walls, and the only exit was a locked gate, the key to which remained in his wife Mary’s possession. Sixteen eyewitnesses…