Peter goes on a search. West convinces Claire to stand up to someone. Hiro struggles with his feelings for Yaeko. Suresh has more problems with the Company. HRG tries to locate more of Isaac's paintings. Alejandro doesn't trust Sylar.

Peter and Caitlin learn about the endstage effects of the Heroes virus. Many of the Heroes work together to fight the Nightmare Man. West is shocked to the identity of Claire's father. Hiro and Kensei's journey comes to an end.