Police detective Dora Madison is sure a serial killer is at work in Washington, DC. So when a US senator's daughter becomes the next victim, her case rapidly spirals into a high-profile, high-stakes race led by Dora's ex, FBI profiler Logan Elkins. As Dora and Logan track down increasingly explosive leads, they battle to keep their turbulent history in the past—and their distance professional. But with their target closing in on them, will Dora and Logan live to have another chance together?