At the crash site, Tariq begs Mickey not to betray his confidence, but Mickey finds it hard to contain his feelings on the issue that Tariq is Dan's son and breaks up with Katrina. Meanwhile, Sonia diagnoses Zoe with hyperthermia and, as the weather worsens and help remains elusive, her condition rapidly begins to deteriorate. Paul finds a dead Barry in the Scottish hills but Janine denies killing him, but with the police investigating his death what will they find?