Arrow - Episode 4 - Video Preview - An Innocent Man

Here's the video preview of Arrow Episode 4: "An Innocent Man" on the CW airing on October 31, 2012. Watch the video here.

Spoilers in the synopsis.

While juggling his relationship with Laurel, Oliver discovers that one of the men on his list has framed an innocent man. Meanwhile, Thea helps Oliver with Laurel and Walter has an employee look into a withdrawal that Moira made from the company accounts.