With tankers filled with all kind of dangerous chemicals circumnavigating the globe, commercial shipping has become a highly risky activity with potentially disastrous ecological consequences.

In a quiet and monotonous night, like any other in the port, a merchant ship with its load of chemicals request emergency authorization to dock, alerting the authorities.

It's been hijacked by Kosovan terrorists who threaten to blow it up unless their commander who has been imprisoned on suspicion of having committed war crimes, is released.

Anna, the port director; Luís, the police captain and Fèlix, head of the special operations group, must do everything possible to avoid the human and ecological disaster that is about to take place.