“Pretty Little Liars”: Weekly webseries begins Aug. 28

PRETTY LITTLE LIARS - ABC Family's "Pretty Little Liars" stars Troian Bellisario as Spencer Hastings, Ashley Benson as Hanna Marin, Shay Mitchell as Emily Fields and Lucy Hale as Aria Montgomery. (ABC FAMILY/MATHIEU YOUNG)

ABCFamily.com will launch the weekly webseries “Pretty Dirty Secrets” beginning Tuesday, Aug. 28 during the summer finale of “Pretty Little Liars,” according to a news release.

Eight different episodes will air starting at 7 p.m. Tuesdays on ABCFamily.com and will center on the time between the Aug. 28 summer finale and the special Halloween episode of “Pretty Little Liars” airing in October when the town of Rosewood prepares for Halloween.

A summary and production credits for the webseries, provided by ABC Family, is as follows:

The local Halloween store in Rosewood is a busy place these days and a good spot for someone who wants to keep tabs on certain people. But as the usual suspects come in and out of the store, will they find more than just the ultimate Halloween costume?