Watch Prison Break S04e21 1 ⚡

C-Note and Sucre reunite in Chicago. C-Note reveals he is working with a mysterious benefactor (later revealed to be Paul Kellerman) who claims he can help the brothers gain total immunity if they can provide Scylla.

In Season 4, Episode 21 of , titled "Rate of Exchange," the high-stakes battle for Scylla reaches a fever pitch as Michael Scofield is forced to make an impossible choice between saving his brother, Lincoln, or the woman he loves, Sara Tancredi. Key Plot Developments Watch Prison Break S04E21 1

You can find " Rate of Exchange " on several major streaming platforms: The complete series is available for subscribers. C-Note and Sucre reunite in Chicago

The episode is available for individual purchase or as part of Season 4 on platforms like Amazon Prime Video, Apple TV, and Google Play. "Prison Break" Rate of Exchange (TV Episode 2009) - IMDb Key Plot Developments You can find " Rate

Michael manages to orchestrate a rescue for Sara, appearing just in time to stop T-Bag from assaulting her. Meanwhile, Mahone—appearing to betray Michael—strikes a deal with Christina to bring her Scylla in exchange for his wife's safety, though this is part of a deeper ruse involving a bomb.