Ashley Benson & Shay Mitchell: Who Is Jenna?

Ashley Benson gets her gossip on with Shay Mitchell during lunch in this new still from Pretty Little Liars.

In the upcoming episode “That Jenna Thing,” the circumstances surrounding Alison’s (Sasha Pieterse) disappearance continue to haunt Aria (Lucy Hale), Emily (Mitchell), Spencer (Troian Bellisario) and Hanna (Benson), as questions arise about the night she went missing.

To complicate matters, Jenna’s (Tammin Sursok) return to Rosewood makes the girls face an unpleasant past and an incident that sealed their friendship forever. Can the girls face what has taken place in their past, especially since “A” won’t let them forget?

Meanwhile temptation is everywhere they look, as Aria tries her hardest to stay away from Ezra (Ian Harding) and Spencer won’t shy away from her sister’s fiancé, Wren (Julian Morris).

“That Jenna Thing” premieres Tuesday, June 15 @ 8PM ET/PT on ABC Family.