A witnessed murder connects town ITER sabotage attempt....
Xu is harvesting helium-3 from the moon to fuel a highly efficient fusion machine, but the Europeans already have their deuterium fuelled reactor ready to go so he needs to thwart its activation.
Meanwhile a female spy is in his midst and he shoots her himself. Unfortunately this is witnessed by a retired surveillance engineer Charles, who records it and makes an anonymous call to the Monaco police, thus starting the chain reaction of the title - which also alludes to the act of fusion.
This story encompasses intrigue, murder, surveillance, killer insect drones, suspense, sabotage and much more to create an entertaining thriller.