The well-known story of Sherlock Holmes and Doctor Watson. Only now they live in our time and consult the New York police. Sherlock is a former drug addict, and Joan Watson is his sobriety companion who must keep an eye on him 24/7. Sherlock's eccentric way of living and investigating murders shocks and, at the same time, attracts Joan. Once she enters his world, she can't go back to her old life and decides to stay a little longer than planned.