Part 4/9:
Eager to assert his independence, Barry acts impulsively and finds himself under the influence of the rogue metahuman Roy Balo's powers, sparking a fierce showdown between the Flash and Arrow. When anger overwhelms Barry, he lashes out at his police colleagues, shedding light on how quickly the boundaries of heroism can blur. In a heated battle, Barry’s ferocity exacerbates, turning him against Oliver, who ultimately finds a way to bring Barry back to his senses.