Complex sentence: Kimberly realizes the person in her vision was her and decides to immerses a van into a lake for Thomas' sake, though she is recovered by Thomas and resuscitated by Kalarjian thus granting her new life, and leading them to believe they have cheated death.
Split into simpler sentences: Kimberly realizes the person in her vision was her and decides to immerses a van into a lake for Thomas' sake. Kimberly is recovered by Thomas and resuscitated by Kalarjian thus granting her new life, and leading them to believe they have cheated death.