The great lengths Dr. Simon Tam had to go to in order to save his only sister, River, from her captors are finally revealed in this special standalone issue!

Follow Simon's "fall from grace" as he risks it all and races against time to save River... even as she struggles to hold onto her sanity.

The truth of River's life in the Alliance Academy facility, what really happened to her there, and the origin of Firefly's greatest sibling bond is finally revealed by writer David S. Booher (Canto) and artist Andrés Genolet (Runaways)!