Peter Parker reconnects with an old college friend, Will-O’-the-Wisp—but his friend’s mysterious transformation into a man of living energy hides a dark secret. As Spider-Man investigates a series of scientific thefts, he uncovers a larger scheme involving the shadowy Jonas Harrow, the criminal scientist responsible for creating several supervillains. Torn between compassion and duty, Spider-Man must stop Will-O’-the-Wisp before Harrow’s manipulations destroy them both.