Pretty Little Liars Hanna Marin knows just who to turn to when her life turns upside down - Lucas.

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You can leave Rosewood behind, but no matter how old you are, either 'A' or the Liars will rope you back in. Such will be the case with Lucas Gottesman. Unseen since season 5, Brendan Robinson's character will play a key role in "The Gloves Are On."

"Aria (Lucy Hale), Emily (Shay Mitchell), Hanna (Ashley Benson) and Spencer (Troian Bellisario) find themselves back in familiar territory with the Rosewood P.D. knocking at their doors looking for answers and their actions now affecting the loved ones around them," Freeform teased. "With her mother's job on the line, Hanna tries to come up with an alibi that could save all four of them with the help of her old high school friend, Lucas. Meanwhile, Emily comes clean about the last five years, and Aria goes the extra mile to keep Ezra's (Ian Harding) second book in play with her boss."

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What on earth does Hanna need an alibi for now? We don't know, but the Liars will probably chat about their new batch of secrets when they head to the spa.

Catch up with the Liars when Pretty Little Liars returns to Freeform (formerly ABC Family) on Jan. 12 at 8 p.m. ET.