When enigmatic genius Iris Nixon cracks a string of complex online puzzles, she is led to a piazza in Florence, where she meets charismatic entrepreneur Cameron Beck. He invites her to work with him to unlock a powerful and top-secret piece of technology.

Joy is taken captive by Baptiste, while Iris contacts conspiracy theorist Alfie and asks him to meet her in Rome to help her with the next phase of her plan. But with Teo being directed by Krauss, both Joy and Iris are delivered into the hands of Cameron for an explosive showdown.