Simplify the following text for a Grade 11 native English-speaking person.
Original: The season continues the stories of the survivors of the fictional September 22 , 2004 crash of Oceanic Airlines Flight 815 on a mysterious island in the South Pacific .
Simplified: The season continued the stories of the survivors of the fictional September 22 , 2004 crash of Oceanic Airlines Flight 815 , on an unknown island in the South Pacific .