Prison transport officer Amber must escort a mysterious criminal to court. When the convoy is ambushed, she shackles herself to him and they are forced to go on the run.

Amber forms an uneasy alliance with her prisoner as they're pulled deeper into a dangerous criminal underworld.

With danger closing in, Amber makes a risky decision as she fights to protect her family.

Amber reunites with her family while Tibor faces his mother. Olly's actions put them all in danger.

Separated and under pressure, Amber turns to Tibor for help as a wider threat begins to emerge.

Amber's plan to get Tibor to court is put in jeopardy as a game of cat and mouse unfolds across London. The fate of her family becomes paramount.