Stiles comes up with a plan to save Lydia that can go wrong on so many levels. Kira attempts to practice to lower the power at the mental house and not overload it like she did before. Stiles swiped a key card that will work again once Kira sets up the reboot of the system. Theo learns of the plan and tell Scott that he his also going to go after Lydia. Nathalie might of realized too late in how much danger her daughter really is.