Franc Ross

In light of a new fatality, a cult member's 1978 suicide is re-examined.

Weaver kisses up to Greene; Ross hinders an amputation; Lucy loses a dead body; Carter finally learns the truth about Lucy; Corday gets a new supervisor.

Christmas marks the anniversary of Nathaniel's death; Nikolai stays with the Fishers while recovering from broken legs; Claire courts danger on the Internet.

Monk attends his college reunion and uncovers a complex murder plot against one of his former classmates.

Nathan makes a move that has global repercussions; Sylar holds Claire, H.R.G., Meredith and Angela hostage at Primatech; Matt, Daphne and Ando try to rescue Hiro.

Hiro follows Arthur Petrelli into the past to find out what drove him to create Pinehearst; following the arrival of her volatile brother, Meredith watches her new life collapse.