A ten episode companion series with events taking place during the "Torchwood: Miracle Day" series. There are also two introductory videos featuring the characters of Gwen and Holly.

A young man is shot in 2011 Los Angeles, but he doesn't die — this is Miracle Day. When it's revealed that he knew the Miracle was coming, his sister, Holly Mokri, sets to work to figure out what he knew and why he was silenced. Can she figure it out before someone decides to silence her next?

Back in 2007, Gwen Cooper saw Jack Harkness get abducted during a mission. Who did this and why do they seem to be experimenting with how they kill Jack? And how does this tie into the events happening in the future...?