Montero and Madrona developed the series after being told that Netflix was looking for a teenage show and were asked to produce an idea.
Her mother engages in the drug business.
The writers made a mistake writing them out.
This announcement came before the fourth season was ever released.
The only thing is that they didn't end it well.
I don't remember Carla and Lu and Nadia dressing like that, and yet they managed to pull it off.