In the TV series "Gangs of London", how does Sean Wallace make a last-ditch retaliation against his enemies?

"Gangs of London" is a 2020 British action–crime drama TV series that was produced by Pulse Films & Sister. It follows the struggles between rival gangs and other criminal organizations in the city of London, England in the 21st century.

In the series, the plot concerns the city of London as it falls into chaos when Finn Wallace, head of the most powerful crime family, is assassinated. Struggling to fill the sudden power vacuum is Finn's impulsive son Sean, causing ripples throughout the world of international crime.

Alex Dumani, son of Ed Dumani and associate of Sean Wallace, is a man who many wanted to see inherit Finn Wallace's empire. Alex and his employees had to track down money that Finn withdrew from the business, providing results for key investors. Sean, completely disillusioned with his father's legacy, decides to make a last-ditch retaliation against his enemies. He arranges with Lale (a Kurdish militant who oversees a heroin distribution ring in London in order to fund Kurdish terrorists) to plant explosives underneath a Wallace skyscraper. The building collapses and explodes, resulting in an enormous smoke cloud and blackout across downtown London. In the aftermath of the bombing, Sean is wanted as a terrorist.

This modern crime drama series was created by Gareth Evans and Matt Flannery. Several key directors in the series include Gareth Evans, Corin Hardy, and Xavier Gens.