Hyoga is disarmed, but the kingdom of science is still in danger - Ishigami village is in flames! And Tsukasa will soon know that Senku is still alive... How will the villagers fight off the coming invasion?

Senku, Chrome, and Magma venture into a cave in search of Tungsten, but there's a suspicious accident that leaves Senku and Chrome trapped at the bottom of a pit! What is Magma up to?!