Ravi comes up with a cure for the zombie plague, but warns Liv that it's in short supply. Meanwhile, Major refuses to tell Blaine where the stolen astronaut brains are, and Clive tries to locate Teresa's killer.moreless
While Joe and Cisco take a road trip to Starling City to find evidence confirming Harrison's guilt, Flash deals with Everyman, a metahuman who can take the shape of anyone he touches.
Lizard releases the Knave from his new bottle and demands her three wishes. Meanwhile, Jafar seeks to master the Jabberwocky after taking the Red Queen's palace, and the Red Queen finds herself captured by her vengeful former people.moreless
The killer: cruise ship terminal customs agent Ben Crewson; the victim: limousine driver Scott Hayward.
When Scott Hayward is found dead in Stanley Park from a single gunshot wound, Detectives Flynn and Vega focus on his last ride, weekly regular Randy Sprague. His route never varied, except for the night of the murder, when it ended with in Stanley Park with Hayward dead.
Peter takes extreme measures when the team learns of a way to stop the Observers from changing Earth's atmosphere and wiping out humanity.
Linden searches everywhere for the missing Holder. Stan decides to deals with things on his own. Richmond makes a return to City Hall.