Oliver realizes that the impending execution of Peter Declan for the murder of his wife is a judicial error, her employer Jason Brodeur being on father Queen’s list of dirty tycoons. In disguise, Oliver tries the legal way with Laurel Lance, but that only proves to both vigilante methods are occasionally the only option. Under duress, Jason’s henchman Matt Istook reveals that he even ordered Peter’s ‘early execution’ in prison, so the Green Arrow must infiltrate there, which puts detective inspector Quentin Lance on his trail. Oliver also shakes his new body guard and recruits the previous, Afghanistan veteran John Diggle, as Green Arrow’s aid. A huge ‘accounting error’ puts Walter on the trail of Moira’s secret holdings and part in the shipwreck.