Complex sentence: After dinner one night, Meryl and Paul witness the murder of one of Meryl's real estate clients, then they become targets of contract killer Vincent (Michael Kelly) and must enter the Witness Protection Program.
Split into simpler sentences: After dinner one night, Meryl and Paul witness the murder of one of Meryl's real estate clients. Then they become targets of contract killer Vincent (Michael Kelly) and must enter the Witness Protection Program.