Description by couchtuner for Arrow Season 5 Episode 4 : Oliver and Lyla team up on a secret mission for Diggle. Felicity finds out and disapproves of the plan and opts to stay behind. When Tobias Church launches a deadly assault against the city, Felicity must decide if she wants to send the recruits out sans the Green Arrow.
Watch It Here : Arrow Season 5 Episode 4 Penance