Sea Shimooka

Out of prison, Oliver is keen for life to get back on track. But he's in for a surprise when Dinah tasks him with tracking Green Arrow.

Diggle and Lyla finally get a lead on the elusive terrorist, Dante. Meanwhile, Oliver tries to form a connection with Emiko.

While Mac's friends surround him during his time of grief, Los Angeles' power grid is taken hostage in a ransomware attack resulting in a citywide blackout, and the team discovers the code used was written by Riley years ago.