Complex sentence: The gang leaves the garage and Will gets a call from Amy, where he admits his feelings for her, but the call gets dropped and he decides to go to rescue Amy to her job, but Lisa gets killed by a meteor.
Split into simpler sentences: The gang leaves the garage and Will gets a call from Amy, where he admits his feelings for her before the call is dropped. He decides to go to rescue Amy to her job, but Lisa is killed by a meteor.