Lena Haloway has been through everything. She has found love in a world where it is outlawed. She has taken down the walls an freed her city. She is tough and strong. She is titanium.So after all this all she wants is to have a normal life (or as normal as it can be) with Alex, who finally loves her again, but when Hana Tate comes back into her life, her best friend from a past life, things get more complicated. Hana is cured and yet wants to be in the Wilds, what is going on? Can someone become uncured? Can they ever be friends again? Hana Tate is also strong. She has gone through guilt and love when she wasn't supposed to feel anything. She is titanium. But when she goes into the Wilds to find love she isn't supposed to have, she has to learn new emotions and break through barriers within herself.