The sisters are set to face some dilemmas in "Orphan Black" season 4.

"Orphan Black" season 4 episode 3 is entitled "The Stigmata of Progress." According to Christian Post, "Orphan Black" season 4 is set to increase the conflict level into the lives of the clone sisters, mentioning that they are bound to encounter new challenges.

As per the episode, Helena is set to be in a difficult situation, as she becomes mistaken for her other clone sister, Mrs. Hendrix. In addition, she is going to meet a number of people she does not know and their impact to her life and the others is yet to be revealed.

Even Cosima is going to have a dark hour in "Orphan Black" season 4. In their interview with TV Line, show co-creators John Fawcett and Graeme Manson revealed that Cosima was grieving in the series, as she had lost her soulmate and was having a hard time putting the pieces back together, specifically when she did not have answers about the future of her previous love.

According to the co-creators, Cosima just could not move forward without knowing the truth on what had happened. Manson added that the character really threw herself into the science in the absence of other answers.

In their interview with Entertainment Weekly, Fawcett and Manson also explained that "Orphan Black's" episode entitled "Transgressive Border Crossing" is set to feature a blend of emotions, as Beth and MK had a sad farewell in a flashback, adding that Sarah had learned one of the "gnarly" Neolution tech implants inside her cheek.

"Orphan Black" season 4 episode 3, "The Stigmata of Progress," is set to air on Apr. 28.