When they learn the truth about the current situation, the gang realize that they must go into battle. And so, too, does Kagura.
You're saying a third party got involved 
and secretly rescued Takasugi and gang?
هل تقصد أنّ مجموعة ثالثة تورّطت
وأنقذت تاكاسوغي وجماعته سرًّا؟
En resumen, esa tercera fuerza
permitió el rescate de Takasugi.
Está dizendo que terceiros se envolveram
 e resgataram Takasugi em segredo?