Use your brain!
I encourage you to please seriously consider these words, because more often I am finding in movies the existence of plot holes that should have been addressed and yet are left unattended like an open sore. Know this: Few manuscripts with a plot hole will survive much longer than ten years.
Many books require no thought from those who read them, and for a very simple reason; they made no such demand upon those who wrote them.
—Charles Caleb Colton, Lacon, 1820