Gangs of London fortæller en nutidig historie om en multikulturel hovedstad, der bliver hærget af en voldelig magtkamp mellem de internationale bander, der styrer storbyen. Der opstår et vakuum i magtbalancen, da lederen for Londons mest magtfulde gangsterfamilie bliver likvideret.

An adaptation of Francis Ford Coppola's The Godfather and The Godfather: Part II, re-edited in chronological order with additional footage not seen in the first two films added.

Adam Kruk, a 40 year old police officer addicted to painkillers and psychotropic drugs, returns to the town he grew up in to find the paedophile who abused his friend Slawek years ago. Once there, he is unexpectedly called to investigate a new case: the kidnapping of a powerful man's grandson, which he undertakes to help set him free from his past mistakes. As he was unable to protect Slawek, he sees this case as a second chance to protect a child and an opportunity for justice. Adam must control the darkest corners of his mind to solve the kidnapping and as the case unfolds, he discovers answers which will reveal an unexpected link between these two cases.

Living in an area known for its juvenile crime, 21-year-old Makoto has become a member of a youth gang called the G-Boys. Known for his cool head and ability to get things done, Makoto becomes a key troubleshooter for the gang by diffusing tense situations and keeping his friends out of harm's way. However, the death of his girlfriend and an escalating turf war with a rival gang threaten to be more than Makoto can handle.

A tough, stubborn and devoid of illusions cop in a story of love, hatred, death and human emotions, so strong that they push people to crime.

In the near future after a bitter civil war leaves Manhattan a demilitarized zone (DMZ), destroyed and isolated from the rest of the world, fierce medic Alma Ortega sets out on a harrowing journey to find the son she lost in the evacuation of New York City at the onset of the conflict. Standing in her way are gangs, militias, demagogues and warlords, including Parco Delgado, the popular — and deadly — leader of one of the most powerful gangs in the DMZ.

Tsukasa, Yoji, and Eiji are friends and members of the motorcycle gang called the Paradise Butterflies. Riding the streets of Hiroshima, their goal in life is to top all other gangs in their city.

Tensions erupt when two filmmakers infiltrate an area ruled by gangs to shoot a music video for a rapper in this gritty found-footage series.