Complex sentence: He kills her aunt' boyfriend, Roger, and tries to kill her too, but she flees into the woods and comes across the house of a war veteran, Carter (played by Jane), who vows to protect her.
Split into simpler sentences: He kills her aunt's boyfriend, Roger, and tries to kill her too, but she flees into the woods. Bird comes across the house of a war veteran, Carter (Jane), who vows to protect her.