Heston sees a schoolgirl who is playing a deadly game. He races to save her, but will he get there in time? Zara's attempt to bury the hatchet with Marion leads to a confession, and Emma's game playing takes a darker turn.
| Creator | Chris Murray |
|---|---|
| Actor | Elisabeth Dermot Walsh, Dex Lee, Adrian Lewis Morgan |
| Country | United Kingdom, Mexico, South Korea |
| Production | BBC |