Liz's loyalties are tested as Red takes action on an operation to intercept Alexander Kirk. Meanwhile the Task Force races to find a killer who targets inventors of revolutionary technology.
Different Drum — Stone Poneys
Silas Gouldsberry changes his appearance then heads into work at the patent office.
Omar's coworker tells Samar and Ressler about the lawyer who approached about his invention; At a science expo Silas gives a woman advice on patenting her invention before showing it to the public.
Laurel gives one of the invention schematics to Red; Resseler & Samar discuss Elise; Elise & Aram have their date; Odette informs Alexander that Red is still alive; Elizabeth shows Red her DNA test on her and Alex then confronts him on all of the lies he's told her since they've meet.