The team must protect London from a deadly, spreading fungus that could wipe out the entire city’s population.

The team attempt to combat a flesh eating fungus that threatens the whole population.

A threat from the past and future puts the team in danger. Cutter, Connor, Abby and Becker battle to send the diictodons back to their time zone whilst trying to stop journalist Mick Harper from exposing the ARC and it’s secrets at the same time. The rest of the team have to fend of Helen and her Cleaner Replicas.