Eo Yong Mi, Ahn In Kyung and Maeng Soo Ja work as cleaning ladies at a brokerage company.
Eo Yong Mi raises her two daughters by herself and she struggles to make a living. An In Kyung dreams of buying a food truck to run a mobile cafe business. Maeng Soo Ja seems like a very sociable person, but she is only friendly to people when she needs them. These three cleaningladies happen to overhear insider information at their workplace. They invest their money in a stock, using the insider trading information.
(Source: AsianWiki)
~~ Remake of the British series “Cleaning Up” [2019].