But even for a series that's dealt in shocking deaths, self-perpetuating cycles of abuse, and relentless workplace cruelties, the ending of the fourth episode of Season 4 felt like it was plumbing new depths of depravity. Titled "1000 Yoots, 1 Marilyn," Episode 4 offers a clearer look at just how far Pierpoint's most foulmouthed former mid-level trader Rishi Ramdani (Sagar Radia) has fallen in the wake of his wife Diana (Emily Barber) getting unceremoniously executed by a loan shark as a result of Rishi's massive gambling debts in the closing minutes of Season 3.