rebellion; revolt; insurrection; treason
謀反を企てた家臣が捕らえられた。
The retainer who plotted a rebellion was captured.
謀反の疑いをかけられた将軍は処刑された。
The general suspected of treason was executed.
物語の主人公が主君への謀反を決意する場面だ。
It is the scene where the hero decides to rebel against their lord.