TheNew York TimesbestsellingInjusticeteam of Tom Taylor and Bruno Redondo take on Nightwing! Nightwing is backand his drive to keep Bldhaven safe has never been stronger! But his adoptive city has elected a new mayor with the last name Zucco. When Nightwing enlists Batgirls help in investigating the politician bearing the same name as the man who murdered his parents, she unearths details that will shock and fundamentally change the hero. Dick Graysons big heart has protected those persecuted by bullies in his youth, combated evil alongside Batman as Robin, and pledged his newly inherited wealth to enriching Bldhaven as Nightwing. His kindness and generosity have always guided his life. But now a new villain stalks the back alleys, removing the hearts of the citys most vulnerable. Who is this terrifying new menace named Heartless, and will he be able to resist plucking out the biggest heart in all of Bldhaven? Collected in this Infinite Frontier Nightwing evolution are issues #78-83.