Gyula Szigony foreman, the night-shift leader found dead in the cash register of the MM Machine Factory, beside to a hacked safe where millions missing from. Imre Kriszton chief provost wants to help with the investigation because the victim was his brother-in-law and he's sure of his innocence. An other night worker dies soon who, presumably, saw something suspicious that night. Based on real events.
—mrtanaka