
The murder of two teenagers by shapeshifters puts the team on the trail of Newton and his people, a trail that leads to Massive Dynamic. Meanwhile, Peter tells Olivia about his family, and Walter tries to remember what memories Newton took from him.
In other news, Leonard Nimoy is retiring from acting, which would suggest that his next Fringe appearance will be his last. So what does that mean for the future of William Bell since the show is coming back for a third season? He gonna die or get killed off? Magical de-aging machine allows Bell to be recast with Zachary Quinto? Straight up recast with Patrick Stewart?