Washington (CNN) The Supreme Court will meet behind closed doors on Friday to discuss a mystery case related to special counsel Robert Mueller's investigation.

The discussion is slated to occur during the justices' regularly scheduled conference where the justices will also consider pending petitions on blockbuster issues such as DACA, the ban on transgender people in the military, abortion and the Second Amendment.

The case concerns an unnamed foreign government-owned corporation that is fighting a subpoena request from a DC-based grand jury. Lower courts have ruled that the company must turn over the information and imposed fines for every day it failed to do so.

Last week the Supreme Court denied an emergency request from the company to freeze the financial penalty, pending appeal.

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