The Emmy-nominated star and co-creator decided it would be “almost criminal” to deprive her characters of a second season.

Duff, who plays Grace, says her character is "just trying to stay above the water" after the events of season one.

Bad Sisters' season 2 premiered with one big show-changing twist. Now, creator Sharon Horgan can finally discuss what the series is really about moving forward: "I had to break them in order to build them back up again.