Return of the Sword Saint

Foreign forces dispatch spies to infiltrate, colluding with locals to steal secrets. A national security veteran leads an elite covert team in undercover operations. They infiltrate institutions to engage with spies and traitors. The enemy sets traps to eliminate the team. The team maps the spy network, collects evidence. After confrontations, they dismantle the foreign intelligence cell, apprehending spies and moles, safeguarding national interests.