Isabel Morgan is a 15-year-old outlaw with a long history with Colm O'Driscoll and the van der Linde gang. After being saved by Arthur at only 9-years-old, she grew up quick and learned how to be successful on her own, maybe too well. When things start turning south for the gang, Isabel takes notice, but is it too late? Have the O'Driscoll's and the Pinkerton's gained the upper hand, or is the betrayal inside the gang?