Unexpected plot twist

1) ‘Unexpected plot’ modifies ‘twist’.

2) ‘Unexpected’ modifies ‘plot’ and ‘twist’ respectively.

3) ‘Unexpected’ modifies ‘plot twist’.

Which one is correct?

Thank you so much as usual.


First, what's your choice, please?

Teachers: We supply a list of EFL job vacancies
I think that #3 is correct but I am not sure if the others are okay. What do you think?

I choose 3.