When Detective Kate Rosetti is handed her latest caseāa dead body covered in leaves along the side of the roadāthereās something peculiar about it: a broken heart is carved into the manās arm. It seems to be a foreboding warning that love can be deadly. The deeper Kate gets into the investigation, the more sheās forced to face love and murder like never before. Her personal life becomes equally as complicated. A shocking wedding invitation arrives in the mail. Jack Russo is putting pressure on Kate about taking the next step in their relationship. A new cop is hired on at the precinct. But when every love story in Kateās newest case seems to end tragically, how can she believe in happily ever after?