After Meg was killed during a riot at the prison Will spiralled into a depression that he tried to cure with alcohol and drugs.
She also acts as a maternal figure for Allie which adds to tension between her and Bea.
The family reunion, however, brought out long-buried grudges among the sisters.
She once had a relationship with Allie Novak, which led Allie to drugs and prostitution until Kaz stopped it.
The realization that she would soon get new prosthetic legs provided comfort.
In season 6, she is mentioned to have given an alibi for the murder Franky is accused of, exonerating Franky.