In the old days it was called hypochrondria, or black melancholia. Now, apparently, it's termed the Asthenic Syndrome. Whatever it is, Nikolai, a teacher of epicly indifferent pupils, has got it, and it's not much fun.
In an ordinary city prison the unbelievable happens: the wall of the building collapses. The management of the city and the prison is forced to urgently find new apartments for their wards, and they honorably get out of this difficult situation in a very original way - criminals are moved in with persistent non-payers for the apartment.
After a demobilization Vladimir starts working in a little porcelain shop as a repairer - but soon gets involved in criminal activity - so he desperately needs help from army friends.