V for Vashon: The Father, Pt. 2

S5, E10: The Vashon family buries young Chris Vashon and launches a vendetta against Five- O's chief investigator, whom they hold responsible for the boy's death. With Chris dead, his father, Honore, swears vengeance against McGarrett and imports an assassin to rid the Vashon family of its arch nemesis.