Undercover

Son of a criminal, little Martin ends up in an orphanage. Police inspector Popov gives a chance to the Lyulin boy. Martin graduates a police school in France. He comes back to Bulgaria and becomes an undercover cop.

Martin infiltrates the criminal organization headed by Petar Tudjarov - Jaro. His task is to win the mobsters' confidence. Martin uses his connections and manages to get back to the mob a car full of drugs. Meanwhile the undercover cop is surprised to realize that the boss's girlfriend Sunny is an old acquaintance...

After stealing the car Martin has his description handed to the Organized Crime Unit. Popov manages to save him. Martin receives crucial info regarding an upcoming drug deal and he and Popov start gathering proof against Jaro.

Jaro's people are suspecting that there is a traitor among them. A bad sequence of events puts the loyalty of Zdravko 'the Hair' under question. In an attempt to save his friend, Martin starts his own investigation.

Martin warns Popov that the mobsters are setting a trap for the cops. His situation becomes even more complicated when Jaro orders him to eliminate a rogue dealer.

Jaro includes Martin in the team for a safety deposit robbery. The target is the box of a Lebanese businessman which seems to contain nothing of value. Popov investigates a company connected to Jaro's business but his superiors order him to leave it.