Alex (Laura Prepon) and Piper's (Taylor Schilling) relationship is set to grow while Sophia remains alone in "Orange Is The New Black" season 4.

Prepon shared her thoughts on what fans could expect from "Orange Is The New Black" season 4. In her interview with Entertainment Weekly, the actress teased that Alex and Piper loved each other and they hated each other, which she described as frustrating and passionate.

The actress added that there was definitely some vindication and Piper had thought she had been crazy all season. For Prepon, that was their relationship.

According to Prepon, fans are also set to see more people in the prison. In the same interview, she said that the season was one of their best by far, adding that the fans were going to be really happy. The actress also mentioned that their writers were so good and Jenji was just so awesome, with them proving themselves over and over again. For the actress, it was incredible.

In other news, Sophia, who is played by Laverne Cox, is still in solitary confinement in season 4, according to Movie News Guide. In the show's latest teaser trailer, it has also been revealed that Chang, Gloria, and Lolly are being looked after while Alex's fate is yet to be revealed.

The publication added that "Orange Is The New Black" season 4 is set to center on how the inmates ended up in prison, with each of their storylines going to be shown. This means that the emotional encounters of the prisoners prior to entering the prison will also be seen by fans in the upcoming season.

"Orange Is The New Black" has reportedly signed for three new seasons following season 4, which is set to air on June 17 on Netflix.