After a lifetime of searching for answers, Arista finds herself facing what could be her greatest fear: that humanity might be her enemy. Together with her machine companion Frees, Arista locates a group of humans who are hunting down the remaining Peacemakers, only to learn the humans are part of a much larger, hidden colony, deep underground. Desperate to find out if this is where she came from, Arista will go to any length to gain...