Truman, empowered with new authority from the President, launches a mustard gas attack designed to kill Miles and Monroe. To Rachel’s disappointment, Miles agrees to join Monroe in a ruthless…

Oliver makes a choice that will affect his entire life, as well as the lives of everyone he cares about.

A bank robber escapes from prison. He goes back to Central City to get his money and revenge on the cop who busted him, Henry Allen, Barry’s father.