Tempers flare on the Atlas over a water-system glitch and an act of betrayal. As Matt works on the ship’s issue, he accidentally meets Lex’s new friend.
Reunited with his sister, Oliver and Thea find themselves searching through a familiar maze of catacombs. Meanwhile, John and Lyla partner on a special ops mission.
Team Arrow attempts to work with the Star City Police Department but much to Oliver’s frustration, things don’t go as planned. Meanwhile, Dinah gets some life-changing news.
