Complete story — includes the ending
William is cornered by the FBI before he can hand off the virus to Philip. He breaks the vial and infects himself. In Russia, Philip's son Mikhail Semenov is released from a mental institution. Oleg informs Arkady about leaving for Russia to be with his family. In an EST meeting, Philip confesses his disenchantment with his job. Mikhail visits his grandfather and receives a package left by his mother with passports and currencies. He is determined to find his father in America as instructed by his mother. Arkady is confronted by the FBI and accused of being responsible for Gaad's murder and William's theft of pathogens. He is ordered to leave the U.S. within 48 hours. Gabriel suggests Philip and Elizabeth return to Russia. Tatiana informs Oleg that she has been temporarily assigned Arkady's job. Oleg tells her he is returning to Russia. William's condition worsens and he begins to cough up blood. While delirious William says he wished he had settled down and had a couple of children "like them". Stan tells Philip he saw Matthew and Paige kissing. Philip tells Paige not to see Matthew again, believing she is in over her head.
Sources and content license
Source and revision history · Adapted from Wikipedia contributors, The Americans season 4. HTML formatting and reference markers removed. · Content license