Dr. Anna Schwartzman is a brilliant forensic scientist for the San Francisco Police Department. Her job is to find out the truth about the last moments of the lives of the victims, which the dead will no longer tell themselves. Imagine meeting a person who is like two peas in a pod. Moreover: he is dressed the same as you, and his apartment is almost an exact copy of yours. A little creepy feeling... Now imagine that you are a forensic expert, and your double is the very body that you came to examine. Quiet, unimaginable horror. This is exactly what Dr. Anna Shvartsman experienced during the call to the corpse: the murdered woman has the same facial features, hair, height... and even the pendant on her neck is exactly the same as Anna’s. But the main thing is the sudden realization: this is all just the beginning, and the worst nightmare is yet to come...