Transport police accompany the prisoner under the close supervision of Interpol, is sent to Belgrade. The route passes through Pancevo, where they encounter an ecological disaster and infected people who are trying to kill them. Interpol agents Mortimer Reyes and Mina Milius soon realize that their only chance to escape from the hordes of zombies, being in alliance with the dangerous, mysterious prisoner ...

This week, 22/04/2010, left DLC The Passing of the project for Left 4 Dead 2.
The Passing, which will become a bridge between the first and second part of the game, will tell a meeting of two teams emerging from the invasion of zombies. The aim of the new formation is obvious: to overcome the next danger zone. Alas, the meeting will survive, not all: one of the heroes, known by the first part, perish in the appendix will not appear.

A police escorted prisoner transport supervised by Interpol sets off to Belgrade. The route leads the transport through Pancevo, where they encounter an ecological disaster and infected people who are trying to kill them. Interpol agents Mortimer Reyes and Mina Milius soon realize that their only chance for escape from the zombie hordes lies in allying with the dangerous, mysterious prisoner...

A police-escorted prisoner transport supervised by Interpol sets off to Belgrade. The route leads the transport through Pancevo, where they encounter an ecological disaster and infected people who are trying to kill them. Interpol agents Mortimer Reyes and Mina Milius soon realize that their only chance for escape from the zombie hordes lies in allying with the dangerous, mysterious prisoner.

A police escorted prisoner transport supervised by Interpol sets off to Belgrade. The route leads the transport through Pancevo, where they encounter an ecological disaster and infected people who are trying to kill them. Interpol agents Mortimer Reyes and Mina Milius soon realize that their only chance for escape from the zombie hordes lies in allying with the dangerous, mysterious prisoner...

A police-escorted prisoner transport supervised by Interpol sets off to Belgrade. The route leads the transport through Pancevo, where they encounter an ecological disaster and infected people who are trying to kill them. Interpol agents Mortimer Reyes and Mina Milius soon realize that their only chance for escape from the zombie hordes lies in allying with the dangerous, mysterious prisoner.

Addon L4D2: The Passing, which will become a bridge between first and second part of the game, will tell a meeting of two teams emerging from the invasion of zombies. The aim of the new formation is obvious: to overcome the next danger zone. Alas, the meeting will survive, not all: one of the heroes, known by the first part, perish in the appendix will not appear.