"The Mathematician" takes you into the shadowy streets of Boston where a serial killer stalks young women, leaving behind baffling mathematical puzzles at each crime scene. Caught in a deadly game of cat and mouse, Detectives Frank Griffin and Sarah Collins, alongside Captain Joe Hogan, must decipher these clues to stop the elusive murderer before more lives are lost. With the sharp insights of medical examiner Olivia Brooks and the brilliant mind of Professor Wolfgang Einstein, an expert in mathematics, their quest becomes a thrilling race against time. As the body count rises, the team plunges deeper into a web of riddles and fear, where every number could mean life or death.