The Sniffer attends his father's funeral in Tallinn and discovers that a letter left for him has vanished and his father's best friend has been slain.

Viktor is certain that Lokmus is behind the kidnapping of the Sniffer and the slaying of two SBI employees, but he's running out of time to prove it.

A former prosecutor is killed during a hunting trip, but when friends and the SBI seek the murderer, they find themselves being stalked instead.

The Sniffer finds wiretaps in his father's house and angles for more information from Thomas. Viktor obtains the slain journalist's last letter.

Viktor learns more about Lokmus from a journalist who ends up dead soon afterward. The Sniffer discovers the dangerous truth about his family.

The Sniffer and Viktor interview Prof. Lokmus and unearth a connection between him and the victims. The Sniffer probes a string of theater murders.

The young son of a prominent businessman is kidnapped. Clues detected by the Sniffer change over time and bring about a specific but off-kilter profile of the culprit.

When two intelligence agents disappear together, Ukrainian Intelligence fears conversion to a third party but tries to operate without help from the General's Intelligence Service to find them.

With the capture of the sniper, the Special Investigation Bureau (SBR) finally learns more about the "ghost" men, unaware that their trusted Sniffer has been compromised.

Several concurrent investigations test Viktor's friendship with the Sniffer, some of which bear these features: a missing quadriplegic, criminal malpractice, a missing finger, "ghost" men and a 1980s children's show.

Over one jar of red caviar, three supermarket security guards are brought down by a brooding shoplifter with a silencer. Against doctor's orders, Viktor wants the recuperating Sniffer's help.

As Viktor prepares an arrest team against his friend, the Sniffer awakens in the clutches of the "ghost" men, aiming to recruit him with a very tempting proposal.

The Sniffer creates an international stink when he smells a forgery in a recently delivered masterpiece to the Ukraine national museum from the Germans. Nostrils flare, and factions threaten the Sniffer's reputation.

When a gangster's murder sets off a series of gang wars, the Don calls in a favor from The Sniffer to smell out the rat in his organization, leaving Victor to wonder how his friend was once connected to a crime boss.