S1, E4: Tsukuda Factory manages to clear the credit inquiry by Teikoku Heavy Industries and begin moving to acquire Gear Ghost in earnest. At this point, the lawyer Kamiya calls and informs them Gear Ghost development information may have been leaked to outside parties. A patent infringement lawsuit ensues, and the members of Tsukuda Factory struggle to come up with a solution. Itami and Shimazu are unable to conceal their shock after unexpectedly discovering a betrayer in their midst. Tonomura makes a serious decision while spending the weekend helping on his family farm.