Five assassins aboard a swiftly-moving bullet train find out that their missions have something in common.
As they exchange suspicious glances, they realize that they have all been hired by the same mysterious organization to eliminate a single target. The tension inside the train car is palpable as each assassin tries to discern who among them is the true threat.
Suddenly, the train lurches to a stop and the lights flicker off. In the darkness, gunshots ring out and chaos ensues. As the assassins scramble to defend themselves and complete their missions, they soon realize that they are all pawns in a much larger game.
With their lives on the line, the assassins must work together to uncover the truth behind their mission and take down the organization that hired them. But with mistrust and betrayal lurking around every corner, the odds seem stacked against them.
As the bullet train hurtles towards its final destination, the assassins must rely on their wits and their weapons to survive the deadly game of cat and mouse that they have unwittingly found themselves in. Will they be able to complete their mission and emerge victorious? Or will they fall victim to the very organization that they thought they were working for?