When the Buckeye City Police Department receives a disturbing letter from a person threatening to 'kill 13 innocents and 1 guilty' to atone for the needless death of an innocent man, Detective Izzy Jaynes turns to her friend Holly Gibney for help. Meanwhile, controversial and outspoken women's rights activist Kate McKay is embarking on a multi-state lecture tour, but someone who vehemently opposes Kate's message of female empowerment is targeting her and disrupting her events. Now the stalker is growing bolder, and Holly is hired to be Kate's bodyguard.