Harry Perry

While investigating the murder of a mental hospital patient and quickly narrowing down the suspects, the investigation takes a dangerous turn when Sara finds herself in a life-threatening situation.

When a body turns up in Boston with links to another murder in Los Angeles, Jane and Maura hop on a plane; Angela and Korsak plan a double date with Kiki and Ron.

As Noah hosts a thanksgiving dinner, an unexpected guest visits the Petrellis. Meanwhile, Lydia tries to discover the truth about one of the carnival's secrets.

While Peter tries to save Sylar based on his precognitive vision of Emma, Lauren goes after Samuel and Claire learns the dark secrets of Noah's past.

Sylar starts to find his true identity, and Peter and HRG go on a quest to find someone that can save Hiro.

As Noah's life hangs in the balance, Samuel prepares to kill thousands and Peter and the others must band together to stop him and save Emma.