Pretty Little Liars: The Perfectionists - Season 1, Episode 9: Soundtracks

Mona and Mason after he gets a call from Claire; Dylan and his boyfriend in bed.

Zach and Ava in the student union.

Mona arrives at the gala; Dana Booker approaches Dylan at the bar; The three discuss Ava's money and make a plan.

Ava encourages Zach at the gala and serves champagne; Dylan speaks with Claire.

Mona tells Mason their relationship was a mistake and it's now over.

'Song for Andrew,' Dylan's composition for his boyfriend.

Dylan performs the song he wrote for Andrew; [0:49] repeats as the group assembles to enact their plan; Claire tells Taylor that she and Dr. Benson think she would benefit from time at the retreat.