Rayna's career is said to conclude, as she turns to serious measures, in "Nashville" season 4 episode 21, the season finale.

"Nashville" season 4 episode 21 is entitled "Maybe You'll Appreciate Me Someday." According to Econo Times, the episode sees Rayna's last moment on stage and she aids to prevent rising star Maddie from signing a contract with Lennox Hill.

As per the publication, Rayna's action indicates that she does not want the latter do the same error she did when she was a younger performer. Whether Maddie signs the deal with Lennox Hill or she follows Rayna's advice is yet to be revealed.

Along with Rayna and Maddie's issues, Juliette Barnes also has some realizations in the season finale. According to Movie News Guide, Barnes is set to have a change of heart when she says in the trailer that it was time for her to take responsibility.

It is also revealed that the character is set to demonstrate honesty, as she chooses to disclose the truth to the public, such as Jeff's death to save her. While this action may be painful for Layla, it appears that Barnes knows that it is the right and best thing to do.

As per Spoilers Guide, the season finale is also set to reveal Scarlett and Gunnar's fate, indicating that they think about parting ways as bandmates. Also, Will is set to become a leader of a cause and a community, something that he should have done before.

"Nashville" season 4 episode 21, "Maybe You'll Appreciate Me Someday" (Season Finale), is set to air on May 25.