Samuel continues searching for the whereabouts of the soul of his brother. He begins to focus on Peter by using his ink-transparency powers to investigate Peter. Meanwhile, Claire deals with her secret being outed when Gretchen pressures her to tell the truth. But Noah, comes for a visit and immediately suspects that Gretchen knows about Clair's power. In Los Angeles, Matt Parkman continues dealing with Sylar's ghost taunting him and it hinders his latest case of trying to nail a suspected drug supplier. Also, a new 'hero' with powers is introduced; a young deaf woman named Emma, a dispatcher who works with Peter at the New York hospital, whom discovers that she can 'see and hear' sound breaks.

Samuel prepares for new additions to his family, while Lydia warns him of the consequences. Claire discovers that her roommate Gretchen may have a hidden agenda. Meanwhile, Peter finds an unexpected way to connect with Emma, who would prefer to stay distant. Elsewhere, a different side of Sylar emerges as he desperately tries to remember the person he used to be.