Cleveland, 1935. Eliot Ness, fresh from his legendary Chicago triumph over Al Capone and associates, set his sights on Cleveland and went on a crusade that matched, and sometimes even surpassed, his past accomplishments. Dismembered body parts have started washing up in a concentrated area of Lake Erie Sound. Their headless torsos have left no clues to their identity or the reason for death. Elliot Ness and his colorful gang of “The Unknowns” chased this killer through the underbelly of Cleveland for years. As far as the public was concerned he was never captured. But what really happened is even more shocking.

A scientific expedition to Loch Ness runs into trouble when the group leader is killed in a mysterious diving accident. Soon after, when the unorthodox Professor Howell shows up to take over as leader of the group, more strange incidents and attacks start to occur. While Howell and TV producer Elizabeth Borden are busy investigating the source of the attacks, the body of an enormous sea creature washes up on the lake's shore.

A scientific expedition to Loch Ness runs into trouble when the group leader is killed in a mysterious diving accident. Soon after, when the unorthodox Professor Howell shows up to take over as leader of the group, more strange incidents and attacks start to occur. While Howell and TV producer Elizabeth Borden are busy investigating the source of the attacks, the body of an enormous sea creature washes up on the lake's shore.

When renowned director Werner Herzog and fellow filmmaker Zak Penn set off to explore the legend of Scotland's Loch Ness monster, they uncover much more than they bargained for. Unexplained sightings of the creature and chaos among the crew create an uneasy feeling that things aren't what they seem.

A vanished submarine prompts a rescue operation that leads to the Loch Ness monster. Having escaped the Loch, the creature unleashes decades of pent-up aggression on those it encounters.

A cryptozoologist travels to Scotland to pursue the Loch Ness monster, which he has been obsessed with since seeing it as a child.

Detective Eliot Ness comes back to town to fight corruption and avenge a former partner's murder with the help of the son.