When lovesick nurse Martha Beck falls for dashing businessman Raymond Fernandez the result is murder. Jilted nurse Martha Beck is desperate to find love. Unmarried, with two kids, and a childhood traumatised by bullying and sexual abuse, she dreams of finding her knight in shining armour. She advertises in a Lonely Hearts column and gets a response from charming romantic Raymond Fernandez. Martha believes she's met her perfect partner and the pair begins a whirlwind romance. But Fernandez is not who he seems. The Hawaiian born sailor is in fact a conman, turned psychotic from an accident at sea. During a spell in jail he learned the darks arts of voodoo and sexual seduction and uses his new-found skills to ensnare lonely women and defraud them of their riches. Opposites attract, large Martha and skinny Raymond form a murderous partnership cemented with taboo sexual practices. Hungry for cash the passionate lovers lure and con desperate women through the Lonely Hearts columns. But there's one small problem with their plan. The more Raymond seduces these women the more jealous Martha becomes. Her delusional love will provoke a calamitous killing spree, which will make Martha Beck and Raymond Fernandez two of the most notorious serial killers in American history. They will commit horrific cold-blooded murder of the most despicable kind. Martha and Raymond's true romance will see them poison, bludgeon and shoot their way into the history books and pay the ultimate price.