In it, we see that Spencer (Troian Bellisario) thinks Paige (Lindsey Shaw) is involved with "A". But is she right? The stakes are higher than ever when the girls are faced with life-threatening situations, so any wrong assumption could lead to disaster...
Check it out below.
Catch an all-newepisode of PLL on Tuesday, August 21 at 8 p.m. ET/PT onABC Family.
Rebecca Martin is an editor at Wetpaint Entertainment. Follow her on Twitter@BeccaMartin47.