Complex sentence: Mistaken for Eddie by Delia and killed (after she has sex with him), she is shocked to discover that Phil has murdered his wife "Donna" and hidden her body in the trunk of his car.
Split into simpler sentences: Mistaken for Eddie by Delia and killed (after she has sex with him). Delia is shocked to discover that Phil has murdered his wife "Donna" and hidden her body in the trunk of his car.