S4, E1: Steven Tyler guest stars as himself to sing a duet of “Crazy” with Juliette Barnes. With Juliette’s starring role in the Patsy Cline biopic, she is at an all-time career high, but is hitting a personal low. Meanwhile Avery, separated from Juliette, tends to baby Cadence at his parents’ home in Texas. Rayna, along with her family and friends, grapple with the chilling aftermath of Deacon’s liver transplant.