Synopsis
In the aftermath of H'EL on Earth, Supergirl's world has been
shattered in every way possible. Kara Zor-El searches the stars for a new home,
but in doing so, encounters one of Superman's deadliest enemies in his New 52
debut: Cyborg Superman!
New writer Michael Alan Nelson takes over the Girl of Steel in Supergirl
Volume 4, collecting issues #21-26.