After a mysterious explosion leaves a large fissure in the ground, two young boys are confronted by an unknown phenomenon that inflicts severe radiation burns on one of them. There follows a spate of attacks at radiation establishments as the inexplicable life-form plunders radium stores. Dr Royston, an expert in atomic research, is brought in to explain and curtail the activities of this alien creature before it causes disaster.
Stephen is a professor at Oxford University who is caught in a rut and feels trapped by his life in both academia and marriage. One of his students, William, is engaged to the beautiful Anna, and Stephen becomes enamored of the younger woman. These three people become linked together by a horrible car crash, with flashbacks providing details into the lives of each person and their connection to the others in this brooding English drama.
Modesty Blaise, a secret agent whose hair color, hair style, and mod clothing change at a snap of her fingers is being used by the British government as a decoy in an effort to thwart a diamond heist. She is being set up by the feds but is wise to the plot and calls in sidekick Willie Garvin and a few other friends to outsmart them. Meanwhile, at his island hideaway, Gabriel, the diamond thief has his own plans for Blaise and Garvin