FBI agent John O'Hara and Special Agent Sarah Brubaker hunt an ingenious pair of serial killers whose victims all have one chilling thing in common--they're newlyweds. A walk down the aisle, a resort hotel, a drink on the beach...for these unlucky couples, the honeymoon's over. A newlywed couple steps into the sauna in their deluxe honeymoon suite--and never steps out again. When another couple is killed while boarding their honeymoon flight to...