Aria, Emily, Hanna and Spencer are sure that Mona is up to her old tricks again, but can they prove it? Meanwhile, Aria's fears about her father grow stronger.
Did You Know?
The title is most definitely a reference to Mona Vanderwaal. May reference the disease monomania, a form of partial insanity conceived as single pathological preoccupation in an otherwise sound mind. See more
Features Night Must Fall
Written & Produced by Matthew Tishler
Performed by Felicia Barton See more