Fan Casting The Golden Gang

This story is about four old ladies that are part of a gang called the Golden Gang who run a drug crime rink in Atlanta, until one of their suppliers slipped up about the operation causing the gang to leave state and move to Miami, Florida. The gang are trying to lay low while also trying to restart the drug operation however one police officer that has a close relationship with one of the old ladies starts to suspect that the gang are not what they seems.