Complex sentence: Meanwhile, Claire encounters and unsuccessfully tires to evade her doppelganger, only to be in her car as it explodes in front of Lindsay's mother Trish's horrified eyes.
Split into simpler sentences: Meanwhile, Claire encounters and unsuccessfully tires to evade her doppelganger. It finally catches up with her as she is driving and her car explodes in front of Lindsay's mother Trish's horrified eyes.