convoluted

US /ˈkɑːn.və.luː.t̬ɪd/
UK /ˈkɑːn.və.luː.t̬ɪd/
"convoluted" picture
1.

alambiqué, complexe, tortueux

extremely complex and difficult to follow

:
The plot of the movie was so convoluted that I lost track of what was happening.
L'intrigue du film était si alambiquée que j'ai perdu le fil de ce qui se passait.
His explanation was so convoluted that no one understood it.
Son explication était si alambiquée que personne ne la comprit.