The murders are planned in exquisite detail and the victims are always twins.
When Zoe and Chloe Denning went out to celebrate their twenty-first birthday they never made it home.
For Brianna Hayward, their disappearance is proof that the '21 Killer' has reached New Orleans. Reporter Jason Bridges is intrigued by a story that could make his career. But both he and Brianna have secrets to hide.
Detective Rick Bentz always had his doubts about the '21' conviction and now he fears the real murderer may be loose in his backyard.
As Bentz and his partner Reuben Montoya desperately follow the trail, the killer prepares to unite Zoe and Chloe in death forever...