Patrick John Flueger

Follows the lives of the personnel of the fictional 21st District, which houses both uniformed officers and the department's elite Intelligence Unit as they fight every day to keep the city of Chicago, Illinois safe.

As the reappearance of 4,400 missing persons on a single day confounds the global community, federal agents on the case slowly discover the ways in which the victims have been changed.

A man becomes the superintendent of a large New York City apartment building where people mysteriously go missing.