Honest cop Gosha is trying to help eco-activist Lena. The son of a corrupt mayor, Denis, wants to head a factory that pollutes the city.

Gosha is looking for evidence of the outflow of plant waste into the local river. Denis repairs the veterinary clinic where Lena works.

Having survived an accident, Gosha discovers his superpowers. He conducts a night raid around the city to identify violators of order.

Lena decides to help Gosha find out what is the reason for his mutation. Policeman Rykov is investigating the attack on Denis.

Rykov gives the order to shoot all the dogs in the city. Gosha's boss, Zakharych, wants to set him up with his daughter Varya.

Lena and Denis are making plans to transform the city. Gosha attacks a drug den and warehouse.

The wounded Gosha comes to Lena and stays with her overnight. Zakharych guesses who exactly is a werewolf.

Gosha is accused of murder and is put on the wanted list. Denis warns Lena that she is being followed.

Denis learns the truth about Gosha and promises Lena to help save him. Gosha finds out who his real father is.