Complex sentence: When Buddy apparently fires Guy in a phone call, Guy snaps and kidnaps Buddy in order to exact some revenge, which results in tying up Buddy and subjecting him to severe beatings, torture and mind games.
Split into simpler sentences: When Buddy apparently fires Guy in a phone call, Guy snaps and kidnaps Buddy in order to exact revenge. He ties Buddy up and subjects him to severe beatings, torture and mind games.