In the video we see as Flash is going to have to face the greatest threat that has ever had. Jay Garrick warns him and his team, but the truth is that the arrival of Zoom cause chaos and that the protagonist has to work as never to end his enemy.
In the extended trailer for the new season of The Flash also we see the presence of Patty Spivot ( Shantal VanSanten ) coming to Central City to work alongside Joe West and is a fan of science and metahumans to draw the attention of Barry Allen.