A mysterious murder leads Eisner to investigate a dangerous cult.

A young man's disappearance in 1968 leads Eisner and Fellner to a present-day mystery on the Czech border.

Eisner and Fellner are caught in a PR nightmare when a kidnapper harnesses the power of social media to rail against the prevailing social system.

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Eisner and Fellner investigate the murder of a bodybuilder.

Eisner and Fellner find themselves caught in a war between conventional medicine and alternate healing methods.