Pretty little liars is adapted from the novel by Sara Shepard with the same name. This show is said to be the girl version of "Desperate Housewives" and alternative story of Gossip Girl. Alison DiLaurentis, "leader"of Rose Town "Bad Girls", has been taking the "iron fist rule" policy to her small circle. Her buddies include: Spencer Hastings, a perfectionist, has been very jealous of their outstanding sister and was the only person to say "no" to Alison. Hannah Marin, bent to make their own known. Aria Montgomery, was unwilling to integrate into the community. Emily Fields, a swimmer and her parents were extremely conservative. When four girls who have recently grown apart after the event of their best friend's death find out that their deceased friend is still sending them texts, signed notably with the single-letter name of "A", they come together to try to stop her from following through with threats to spill their darkest secrets...