In 1940s Hollywood, a 22-year-old aspiring actress is found mutilated and drained of blood. Her body is posed, and her mouth has been carved into a permanent smile. The investigation takes police into the hidden sides of the city — illicit romances and gang-related crimes. But when another mutilated body is found weeks later, the hunt is on for a possible serial killer. 

This is a crossover series with Unsolved Murders, looking at the murder of Elizabeth Short and other unsolved cases surrounding it.

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