You can find a full recap and analysis of the episode at Pretty Little Liars Wiki and IMDb . The Melody Lingers On | Pretty Little Liars Wiki | Fandom
In the Pretty Little Liars episode " The Melody Lingers On ," the trial against Alison DiLaurentis kicks off with the prosecution accusing her and her friends of orchestrating Mona's murder. As the Liars scramble to find evidence to clear their names, they become entangled in a cryptic mystery involving a "Varjak" phone number and a hidden message in Mona’s ransacked home. Meanwhile, Hanna faces pressure in prison, and the episode concludes with the girls decoding a puzzling note while "A" continues to stay one step ahead. [S5E23] Here's To The Future (1)