On the streets of St. Louis, a murderer is running loose, murdering women everywhere he goes. He is ruthless when he kills his victims, for years the police have not been able to catch him, he was notorious for his kills because the women he murdered were brunettes and he cut them a certain way. The murderer known as the Midnight Striker has been killing for decades, he was like the modern day Jack the Ripper, no one could catch the Midnight Striker, he was good. He was like a shadow in the night, always hiding and covering up his tracks, leaving no traces of himself anywhere. None of the Midnight Striker’s victims made it out alive, but one woman defied the odds, one woman survived. The woman’s name was Mary Louise, she was a rookie cop who fought the Midnight Striker and somehow survived. Mary thought she killed the Midnight Striker, but somehow he too survived. Now after many years passed, women were coming up missing and murdered again, everyone believed it was the Midnight Striker. Mary is a detective now and she has been called back to St. Louis P.D. to help solve the case, and Mary has to work with an unbearable partner named Norman Hanes who is a male chauvinist moody man that is hard to work with. So far he has been through seven partners, no one can handle Norman, but Mary can, she was sassy and just as bullheaded as Norman, Mary is quick on her feet and tells Norman off almost every time he has something sarcastic to say. Both Mary and Norman do not get along, they argue all the time and Norman can’t stand having a female partner. In the mist of their arguments and conflicts, the Midnight Striker is still killing innocent women, will Mary and Norman be able to work together to catch the Midnight Striker? Or will their animosity for one another get in the way?