Pretty Little Liars Season 1 Episode 1 : Pilot

Friends Aria Montgomery, Emily Fields, Hanna Marin, and Spencer Hastings grow apart when their clique leader Alison DiLaurentis goes missing. A year later they all begin receiving messages from the mysterious "A", who threatens to reveal their darkest secrets. Aria has just returned from Iceland after a year with her family and still feels unable to forgive her father who cheated on her mother, who's still unaware of it; she also discovers tha...