Haly's Circus, where Dick Grayson once performed, returns to Gotham City - bringing with it murder, mystery and superhuman evil. To uncover more clues to why a mysterious assassin is targeting him, Nightwing joins the circus's tour. But as Dick becomes reacquainted with the big top he once called home, he learns there are darker secrets to be discovered. Collects NIGHTWING #1-7. (W) Kyle Higgins (A) Eddy Barrows & Various (CA) Eddy Barrows, J. P. Mayer