The film tel
ls t
he story of Ma
 rtha Hoffman, an 
ecce
ntric and wealthy patron who
 is committ
ed to a psychiatric clinic by her
  daughters. The expert witness Casares
investigates whethe  r this is a scheme to co ntrol their mothe
r ’s f ortune or if Martha truly  suf  fers  from a fo   rm o
f  dementia that endangers her well-being
 an
d that 
o

f  her family.