Running away from the aftermath of their first battle against the Earless, Echo and Mu are once again ambushed by the Earless. Plus, the mysterious trio of women who tracked them down aren’t far behind.

The trail to solve the mystery of Jimi Stonefree leads Echo and Mu to a glittering purple city ruled by Denka.

With Mu's awakening, Tommy has big plans to do the Freedom Project right this time. In the meantime, Echo runs into Nir on the streets of Londinium.