Loyalties are tested after Mia locates the red notebook, with lines drawn between the friends amid a last-ditch effort to save her life.
With time running out, Mia sets a risky plan in motion to uncover the secret lab and find a solution to her rapidly deteriorating neurological state.
As Mia's feelings toward Jasper begin to change, her friends aid her desperate search for information by engaging in some high-tech espionage.
Mia strikes an uneasy bargain that could help get to the bottom of her missing memories. But upholding her side of the deal means flirting with danger.