Lauren Tom

Izzie seems to be getting over Alex when she shares an undeniable chemistry with Denny Duquette, a patient who's awaiting a heart transplant, and George treats Bex, a young teen hermaphrodite.

Officers Harper and Nolan respond to a bank robbery in progress and realize the motives of the thief run much deeper than just needing money. Meanwhile, Officers Jackson and Chen’s first day riding without training officers isn’t what they thought it would be.

Aria, Emily and Hanna keep looking for a way to prove Ali's innocence without incriminating Mike (recurring guest star Cody Allen Christian). But when the District Attorney proposes a plea bargain agreement for Ali that includes naming one of the PLLs as her accomplice, the girls intensify their search — not only to save Ali, but to save themselves. Will Ali stick by her story of innocence or will she give up one of the PLLs to save her own skin? Meanwhile, not knowing what is happening back in Rosewood, Spencer gets a much-needed break from all the drama with a night out on the town in London.

Alison's trial is coming to a close and the outcome looks even more bleak when the prosecution calls a surprise witness that not only paints Alison in a bad light, but also the PLLs and Mike (recurring guest star Cody Allen Christian). Desperate to find any evidence or witness to save their friends, Aria, Emily and Spencer race to find someone or something that can prove Ali's innocence and put an end to this nightmare. Meanwhile, Mike becomes a target of "A" when it looks like he might be called to testify and Ezra and Caleb have differing opinions on what he should do.

As Alison's trial begins, the once-confident Queen Bee is no longer certain of her fate as testimony reveals not only her lies, but the lies of those close to her. Meanwhile, Spencer, Aria, Emily and Caleb search for information to clear the imprisoned Hanna, following a string of clues that might have been left by Mona, or possibly planted by "A."