Following the Nine-Tailed Fox's attack, Danzo Shimura manipulates the Konoha Council to place the Uchiha clan under 24/7 surveillance.
Shisui Uchiha attempts to use his powerful genjutsu, Kotoamatsukami , to sway his father, Fugaku, away from starting a coup. However, Danzo distrusts the plan and steals Shisui’s right eye , forcing Shisui to flee. Naruto Shippuden Episode 358
Before ending his own life, Shisui entrusts Itachi with his remaining eye and his wish to protect the village from the shadows. Following the Nine-Tailed Fox's attack
Itachi Uchiha is assigned to this mission alongside Kakashi. Itachi operates as a double agent, caught between the belligerent military police of his clan and the increasingly pressured village leadership. to sway his father