Hosted by ABC News contributor Ryan Smith, "" reports on "20/20" stories ripped from the headlines, leading viewers through some of the most shocking and surprising romance stories of the last decade - stories that began with romance and ended in crime. Every Monday night for eight weeks following "The Bachelor", "" features true-crime stories, including the twisted love triangle between a husband, wife and lover; the murder of an NFL star's pregnant girlfriend; and the case of a man found guilty of murdering his wife by two separate juries. Throughout the series, "20/20" visits crime scenes and interviews the individuals at the center of some of the most twisted and obsessive love stories, just weeks before Valentine's Day.