Complex sentence: Carmelo, on the run from the police, kidnaps Lucrecia, but Julián saves her; meanwhile, Renata is shot by accident and dies on the way to the hospital.
Split into simpler sentences: Carmelo, on the run from the police, kidnaps Lucrecia; later on, Julián saves her. Through out Lucrecia's rescue, Renata is accidentally shot and dies on the way to the hospital.