A brutal murder at Mayor Perry White's mansion unleashes chaos as the Prankster, a new and unhinged villain, targets Superman's ally with a grotesque scheme. Superman must unravel the Prankster's twisted plan before it claims another life, forcing the hero to confront a rogue who could redefine his list of greatest threats. Meanwhile, Daily Planet reporter Jon Kent stumbles upon a revelation that could alter his understanding of Metropolis forever.