Gary reveals a strange link between his former client and Amy. But, just as Jack and Gary start to put the pieces together, they hit a literal dead end. Meanwhile, Madison arrives in Seattle and threatens an old acquaintance.
Madison's instincts are gaining strength as she slowly starts to make sense of Marcus' memories. Jack learns that Gary hasn't been entirely truthful and forces a terrifying confession out of him. Richard finally comes face-to-face with Marcus.
Amy's past has come back to haunt her and the only way to protect Jack may hurt him the most. Meanwhile, Richard discovers a secret about Rose that could destroy her ascent onto The Nine. Madison continues to evade Shepherd’s grasp.
A gruesome discovery buried in Jack's backyard incites him to make one last attempt to bring Amy home. Meanwhile, Rose remains haunted by a tragedy from her distant past and abducts a lowly waiter whom she is certain will have answers.