Manevri na petiya etazh (1985)
Manevri na petiya etazh (Bulgarian language: Маневри на петия етаж, English language: Maneuvers on the Fifth Floor) is a comedy movie released in Bulgaria in 1985. It was directed by Petar B. Vasilev and written by Chavdar Shinov. It is a nice presentation of the passions and the intrigues developing in a socialist firm in mid-eighties, when it comes to business trips abroad.
More at Wikipedia.