Karl, Ronnie, and Stan are trying to hold their own against Jinsoku, but the chamber is full of soldiers and the ceiling is coming down.

Ryan and Sam chase after Yamainu, who has taken Gideon captive! Can they reach him in time? Can they get out before the tunnel collapses?

Ryan and Ronnie reunite with Stan and Karl, thanks to Shirotaro's help, and they all race back down to the underground. Time is running out.

Sam realizes what's at stake if he allows Jinsoku to win, and Jinsoku reveals what his plan has been all along.