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.
In the season finale, Jack discovers the alarming depth and scope of the organization to which he's lost Amy. Marcus and Madison engage in a fatal struggle. Richard is forced to go on the run but recruits an unexpected partner along the way.
