The Great Sting Episode 17

Ginzame crew starts digging the copper mine but they haven't found any gold or platinum. Just when they are about to give up, they find what appears to be a hidden space on the map. However, the result is dreadful. As soon as Fukajiro and his men enter the room behind a small shrine, the walls and the ceiling start falling, causing many Ginzame men dead and wounded. Meanwhile at the Tanokura residence, Tanokura is all smiles knowing what is going on.