In Assassin's Creed Syndicate, Jacob Frye leads the playable campaign in London.
Jacob is an Assassin who travels to London with his twin sister, Evie Frye, in 1868. The siblings work together to challenge Templar influence during the Industrial Revolution, but Jacob is the central character introduced as the campaign's primary lead.
Syndicate allows players to switch between Jacob and Evie for many missions. Jacob generally specializes in direct combat and gang leadership, while Evie is more focused on stealth and Assassin knowledge. Their different abilities and personalities are a deliberate part of the game's design.
The story features historical figures including Queen Victoria, Charles Darwin, Charles Dickens, and Alexander Graham Bell. London is divided into districts controlled by rival gangs, and Jacob creates the Rooks to oppose the Blighters.