Frank Gannon's last days as a police officer were a real challenge for him. Going on a well-deserved vacation, he could not assume that his former friends and associates, with whom he served for many years, are members of a corrupt police group that is engaged in laundering dirty money, drug trafficking and killing people they do not like. Their leader, Captain Stone, learns that Frank is suspicious and tries to bribe him. However, Frank is determined to report everything to the authorities and hand over the known members of the criminal organization. They are trying to accuse him of murdering a police officer, after which he is forced to hide from law enforcement officials and simultaneously conduct his own investigation...