The CW has released the Official Synopsis of Arrow episode “Reversal” (6.04), to be aired on Thursday, November 2 at 09:00-10:00 PM.
OFFICIAL SYNOPSIS
BLACK SIREN STRIKES AGAIN
Just as Oliver (Stephen Amell) starts to get things in order, Black Siren (Katie Cassidy) launches another attack on the citizens of Star City.
In Arrow, after a violent shipwreck, billionaire playboy Oliver Queen was missing and presumed dead for five years before being discovered alive on a remote island in the Pacific. When he returns home to Starling City, his devoted mother Moira, much-beloved sister Thea, and best friend Tommy welcome him home, but they sense Oliver has been changed by his ordeal on the island. While Oliver hides the truth about the man he’s become, he desperately wants to make amends for the actions he took as the boy he was.
Based on characters appearing in comic books and graphic novels published by DC Comics, Arrow is from Bonanza Productions Inc. in association with Berlanti Productions and Warner Bros. Television.