The imperial battlemage Jagar Tharn betrays the Emperor Uriel Septim by imprisoning him in an alternate dimension, then assuming the Emperor's identity and place on the throne. A lone prisoner must travel to Tamriel's most famous and dangerous sites to collect the shattered Staff of Chaos, save the Emperor and free the Empire.
About The Elder Scrolls II: Daggerfall:
The ancient golem Numidium, a powerful weapon once used by the great Tiber Septim to unify Tamriel, has been found in Iliac Bay. In the power struggle that follows, the King of Daggerfall is murdered and his spirit haunts the kingdom. The Emperor Uriel Septim VII sends his champion to the province of High Rock to put the king's spirit to rest and ensure that the golem does not fall into the wrong hands.