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|Season 4, Episode 5|
|Episode Guide Transcript|
An Extra Incentive
Laurel's Sin is the fifth episode of Arrow Season 4 and the 74th episode overall.
EVERYONE HAS A BREAKING POINT- Thea goes off on her own in the wake of a tragedy. Diggle joins Lyla on a mission in Coast City to keep his mind off of the anniversary of the LAIA shooting, in which he lost someone important to him. Tensions between Oliver and Laurel come to a head. Oliver investigates Andrea Beaumont's bodyguard, Derek Powers, in connection to a recent murder but is wholly unprepared for what he finds, forcing Nyssa to take matters into her own hands.
- Stephen Amell as Oliver Queen
- Katie Cassidy as Laurel Lance
- David Ramsey as John Diggle
- Willa Holland as Thea Queen/Speedy
- Katrina Law as Nyssa al Ghul
- Caity Lotz as Sara Lance (flashbacks/dreams)
- Deborah Ann Woll as Andrea Beaumont
- Colin Donnell as Tommy Merlyn
- and John Barrowman as Malcolm Merlyn/Ra's al Ghul
- Steve Valentine as Derek Powers
- Audrey Marie Anderson as Lyla Diggle
- Bex Taylor-Klaus as Sin
- Maiara Walsh as Penny Tate (voice)
- Antagonist: Derek Powers
- Diggle will decide where he belongs.
- Oliver may learn of Tommy's resurrection in this episode.
- This episode takes place on July 4, 2015.