Lisa can finally celebrate after finalizing her divorce from her terrible husband. That is, until she receives news that her ex-husband has been murdered and she is the suspect. The poisonous herbs that killed him were sold at her shop, and they found her scarf tied around his neck. To make matters worse, the detective who’s interrogating her is none other than her ex-boyfriend, Nash, whom she once considered marrying. To figure out who’s framing her and who really killed her ex-husband, she decides to work with Nash for the first time in four years.