On 26 September, a series of underwater explosions destroyed a cluster of natural gas pipelines on the bottom of the Baltic Sea. The pipes were designed to deliver gas directly from Russia to Germany, and the explosions exacerbated the already dire energy crisis in Europe. Everyone agrees it was sabotage, but nobody can agree on who did it. Today: the mystery of the Baltic Sea bubbles, and the story of how Germany’s plan for peace-through-capitalism blew up in their face.