Mike Ference and Kathleen Kamouyerou-Ference, owners of My Big Fat Greek Gyro from season 2 of The Profit have filed a lawsuit against Marcus Lemonis and ML Foods. During the episode, the business was renamed to The Simple Greek and the concept of The Simple Greek began selling franchises. It appears that Mike and Kathleen claim they were frozen out of their business and haven't received the 45% promised.
The full lawsuit can be read here, but some of the highlights are below: