After losing Mon-El, Kara Danvers is left broken and numb. When Barry Allen arrives to check on her, she finds herself falling deeply in love with him - but he doesn't feel the same. While Kara dreams of a life with him, Barry sees her only as a friend. When she confesses her feelings, he rejects her... and then Reign arrives, defeating Kara and leaving her nearly dead.
As Kara rises from the ashes, she begins to change - colder, darker, more powerful. Barry realizes too late that he loves her. But now, Kara wants revenge - not just on Reign, but on the man who once broke her heart. And as Reign's power begins to awaken inside her, Kara must decide: will she be a hero... or the world's greatest threat?
Book 3 in 'Justice League' series.
With Thawne and Damien Dhark taking the sensible option to go under ground after their defeat, the heroes thing that Reign has gone with them. Unfortunately she hasn't. With Kara and Caitlin now harbouring a secret that could destroy more than one relationship. Barry is holding in all his emotions, what happens when he finally breaks? Who must they call in when one of their own is in danger again? How will they survive and cope when their worst fears come true?