Credit: Video Still

At least there's one thing you can count on in the ever-changing world of Rosewood: "A" will always twist the screw just when the Liars think they're at their lowest.

In this sneak peek of Pretty Little Liars Season 3, Episode 19: "What Becomes of the Broken-Hearted," a completely crazed Spencer Hastings (Troian Bellisario) receives a message tailor-made to make sure she keeps Toby's (Keegan Allen) secret from her friends.

Will she ever catch a break?

 

Find more Pretty Little Liars spoilers here.
 
Catch the next episode of Pretty Little Liars on Tuesday, February 12, 2013 at 8 p.m. ET/PT on ABC Family.
 
Rebecca Martin is an editor at Wetpaint Entertainment. Follow her on Twitter @BeccaDMartin.