“Siren” Description

With debut of Black Canary images, The CW has released the offical description for “Siren”.

THE GREEN ARROW AND BLACK CANARY BATTLE IN SMALLVILLE — While secretly
working for Oliver (guest star Justin Hartley), Chloe (Allison Mack) intercepts
one of Lex’s (Michael Rosenbaum) project files, but she is attacked by the Black
Canary (guest star Alaina Huffman), a mystery woman with a subsonic cry. Dinah
Lance, Black Canary’s alter ego, is a conservative talk show host who is working
at the Daily Planet and clashes with Lois (Erica Durance).

Lex convinces the Black Canary that the Green Arrow and his team are
terrorists so she launches an attack on the Green Arrow and Clark (Tom Welling).
Meanwhile, Lois discovers Oliver’s secret. Kristin Kreuk, Aaron Ashmore, Laura
Vandervoort and John Glover also star.

Oblivous for drama purposes they going to display Black Canary as a villian, until she finds out the truth.