How many movies have Ladislav Šimek and Lída Plachá acted in together?

They have worked on 6 movies together! Their first movie together was Tobě hrana zvonit nebude (1975) while their highest rated movie together was Death of Hitch-Hikers (1979). They have not worked together since Výjimečná situace (1986). They are most known for their drama films together.