Fate/stay Night

As Shirou is falling off of the rooftop of the school, he uses his command mantra to summon Saber, who rescues Shirou and promises to defeat Rider. Meanwhile, Rin and Archer attack Shinji and Rider, pushing them to the edge of defeat. However, Saber blocks Archer's attack on Shinji under Shirou's orders. Emiya declares that he will protect Shinji, even if that means fighting Rin. But will he convince Shinji to cease his immoral acts?