The film contains some use of the expletive "f**k", when translated to English subtitles, often used by the characters to express their exasperation when they are arguing.

'Teorie Tygra' (Tiger Theory) is a Czech comedy that revolves around Jan, a vet who has been married to Olga, a successful lecturer, for 43 years.

After the death of his father-in-law, Jan comes to a realization that his life has been tightly controlled by Olga.

Together with his son and son-in-law, Jan hatches a plan to fake Alzheimer's disease to escape the clutches of Olga.