Bettencourt's relationship with Banier raises eyebrows. In 2007, he asks her to adopt him — kickstarting an explosive legal dispute with her daughter.

Scandal roils as secret recordings of Bettencourt's conversations are made public, but the focus shifts from Banier to alleged tax and election fraud.

As the storm rages on, multiple members of the French elite come under fire. A psychological evaluation of Bettencourt yields damning results.