August 28, 1933. That night, Eliot Ness and his Untouchables, and some undercover plainclothes police, are staking out an amusement pier on the Chicago lakefront; they are tailing Alexander Raeder-- owner of the pier, and the source of the new narcotics flooding the Windy City. Ness had received an anonymous tip that Raeder was delivering 15 pounds of heroin, half a million dollars' worth, to a syndicate contact. The drop-off point being the Tunnel of Horrors, a carnival ride which sends small boats through dark tunnels, operated by Johnny Selkirk, who works for Raeder. On the Midway, Ness spots a hood named Marty Mattern along with Arnold Justin, former cop, who now handles the graft for Nitti; if Justin sees the undercover cops (his former colleagues), he'll recognize them and their cover will be blown. Justin does; Mattern panics and makes a run for it, then fires at Ness' men, and Enrico Rossi shoots him. Ness and his men storm into the Tunnel, and find a back room. While Ra