Pearce gives Juliette a terrifying deadline, but an investigative breakthrough puts Zara and Vincent back on top. Armed with this, Zara and Vincent must decide who they are willing to harm to capture Pearce. With the taskforce closing in, and his plan already in motion, Pearce must also ask himself who he is willing to sacrifice to achieve his plan. Zara's initial observation prompts the taskforce to push their investigative manpower into uncovering the mole. Will they finally outwit Pearce?