Leviathan is on the march. By placing operatives as supply teachers in destitute neighbourhoods, cops in the GCPD, and social workers and judges in the civil service, they have the means to steal children, using the machinery of Gotham to grind up the citizens, leaving Leviathan to devour the city from within. At the Batcave, Damian has been building something. When Alfred comes in to see what, he is subdued by knockout gas. Damian takes this as his chance to debut his new costumed identity...