Complex sentence: When Sarah stumbles upon the gang at a roadside motel, a standoff develops: the adolescent vampire Homer wishes to transform the girl into a companion for himself, but Caleb demands that she be released.
Split into simpler sentences: When Sarah stumbles upon the gang at a roadside motel, a standoff develops. The adolescent vampire, Homer, wishes to transform the girl into a companion for himself, but Caleb demands that she be released.