Jay Garrick, a mysterious man from Earth-2
appears at S.T.A.R. Labs with a dire warning
about an evil speedster named Zoom, who is set
on destroying The Flash. Barry and the team
must decide if they can trust this stranger
even as they face yet another powerful
meta-human. Meanwhile, Joe must deal with a
determined officer named Patty Spivot who
wants to join his meta-human task force