The team stumble across the wedding of ex-ARC member Jenny Lewis at a a stately home where they are investigating an anomaly.
Faced with the increasing dangers of Philip's machine, the team are pitted against their darkest challenge yet as Matt's prediction appears to be true.
A vicious underground creature brings chaos to the city, and the team must race against time to track its movements and prevent it from causing more damage.
The ARC team are called after a nuclear submarine encounters an anomaly and a Liopleurodon in the sea.
When a Terrorbird appears during an incursion, the team are faced with an anomaly that they cannot lock; Danny returns with a warning; Ethan takes revenge.
