Idealistic inventor Jayce attempts to harness magic through science—despite his mentor's warnings. Criminal kingpin Silco tests a powerful substance.

An epic showdown between old rivals results in a fateful moment for Zaun. Jayce and Viktor risk it all for their research.

With Piltover prospering from their tech, Jayce and Viktor weigh their next move. A familiar face re-emerges from Zaun to wreak havoc.

Rogue enforcer Caitlyn tours the undercity to track down Silco. Jayce puts a target on his back trying to root out Piltover corruption.

An eager protégé undermines his mentor on the council as a magical tech rapidly evolves. With authorities in pursuit, Jinx must face her past.

Caitlyn and Vi meet an ally in Zaun’s streets and head into a frenzied battle with a common foe. Viktor makes a dire decision.

Disowned heir Mel and her visiting mother trade combat tactics. Caitlyn and Vi forge an unlikely alliance. Jinx undergoes a startling change.

Perilously close to war, the leaders of Piltover and Zaun reach an ultimatum. But a fateful standoff changes both cities forever.