Remember the scene in 2011's raucous school-com Bad Teacher wherein Cameron Diaz's eponymous flawed educator washes a car in an erotic manner?

When word first reached us that Cameron Diaz was joining Ridley Scott's The Counsellor, which boasts a screenplay penned by Cormac McCarthy and a cast led by Michael Fassbender, this was not the comparison we expected to be making.

Nevertheless, here it is.

In The Counsellor, Diaz's character Malkina - who's been singled out by many critics as the highlight of a middling film - takes it one step further, and has actual sex with a car.

So that'll be the scene whose filming was guarded "like a military operation" then.

The sequence in question unfolds like this: Michael Fassbender's shark-eyed, in-over-his-head Counsellor is having a conversation with his new business associate, seedy club owner Reiner (Javier Bardem).

"What is it you'd like to forget?...