Central Investigation Bureau officers enter the local underworld after a large quantity of marijuana goes missing from the Podhale police station.

After the fall of the September Campaign of 1939, two Polish pilots are forced to fight for their nation in foreign battlefronts.

Through globalization, many countries have been opened and barriers removed to ensure easy trade, travel and cultural diversity. However, this openness has given opportunities to criminals looking to exploit the system and ultimately threaten our global safety. As Europe has become a "safe house" for criminals eluding law enforcers, a special kind of law enforcement team is needed to handle specific ongoing crimes on a global level. "Crossing Lines" is the story of one such team, made up of five international cops, headed by Captain Daniel. The team - comprised of individuals who have little in common - must learn to live and work under the most dangerous and potentially deadly conditions. Housed in an unused storage section underneath the ICC, this mismatched team faces bureaucratic, jurisdictional and cultural obstacles while traversing continents in pursuit of justice.

Storyline: In the summer of 1683, 300 000 Ottoman Empire's warriors begin the siege of Vienna. City's fall, will open way to conquer the Europe. The Sept 11 is the day of main battle between Polish cavalry under the King Jan III Sobieski and Turks.