1940s. Circus Will Parker saves the life of New York's best private detective, Lillian Pentecost, thanks to her ability to throw knives. And soon she receives an offer that will change her fate forever. Lillian can no longer conduct the investigation alone, so she hires Will as an assistant. A few years later, the partners take on the mysterious case of the Collinses. Abigail Collins was bludgeoned to death with a crystal ball during a loud Halloween party.