It's a race against time to stop Basswood and Laura (Katherine Parkinson) must put her reputation and life on the line if she is going to have any hope of saving the Synths, but is she willing to give up her family and her freedom?
Niska (Emily Berrington) has reached her journey's end, but when the source of the mystery is revealed, has her real journey only just begun? Mia (Gemma Chan), Leo (Colin Morgan) and Max (Ivanno Jeremiah) stand together in final battle, but will they make it out alive? And when the world learns of the atrocities that are taking place, will the fate of Synths change forever?
