The Guardian: Season 1, Episode 21

1 - 21: The Chinese Wall

Burton surprises the firm with a new senior partner: a former senator, and his unscrupulous aide. Nick is advised he needs to drop one of his big clients, where there could be a conflict of interest with the senator, which is where the episode pulls its name from: "Chinese Wall." Lu is pulled into her grandmother's life when she falls in her nursing home and breaks a leg under questionable circumstances.