This week it's one big "Leap" for the bad guys, one small step for SHIELD. As FitzSimmons attempts to save Sarge, it's a closed room mystery for Mack as he tries to figure out why May shot the Coulson look-alike. Other members of the team experience strange behavior as Izel jumps from person to person looking to find the hidden Di'Alla's that she's been seeking. It's a crazy whodunnit that leads the team to the breaking point. Jay catches guest host Lou stealing a space pen on this week's Agents of S.H.I.E.L.D.: Case Files.