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The Glades - Episode 4.06 - 4.07 - Synopsis

Episode 4.06 - Glade-iators!
Jim learns that a female business executive who was found dead in a bank vault led a double life as a member of a roller derby squad.

Episode 4.07 - Gypsies, Tramps and Thieves
Jim enters the secret world of Florida's Gypsies to investigate what appears to have been a ritualistic murder; Jim's father makes an unexpected visit.

Source: SpoilerTV