The episode opens on Oliver staring into space, convinced that the cure isn’t working on Roy. An alarm goes off, alerting Felicity to the fact that a number of Slade’s Mirakuru soldiers have arrived to kill them.Roy wakes, punches one and hurts his hand. Oliver fires a grappling line out of the damaged clock face (they’re in the clock tower), allowing Felicity and Diggle to get the cure to safety; Roy and Oliver follow them out.
Disappointed with the finale. I'm no big fan of Agents of Shield, but the finale of that show was better, I'm afraid.