A trailer that promises a huge revelation.

We finally going to find out who is the new villain who torments the girls since their return to Rosewood? The end of the season 6 of Pretty Little Liars arrives next week and judging by the trailer for this episode 20, put online by Freeform, it should offer a new sensational revelation (see below). Caution spoilers!

In an old motel in abandonment, Toby, Spencer, Ezra, Aria, Caleb and Mona will make an incredible discovery, as already unveil it these images. Perhaps the identity of sister hidden... At the same time, there is that Hanna and Caleb still have important things to say.

This will be in the final of the season 6 of Pretty Little Liars, Tuesday next on Freeform. In France, the series is broadcast on OCS Max.