Sun Hee is a mother of two children. She works at a large discount retail store as a cashier. Hye Mi is a single mother and a co-worker of Sun Hee. Soon Rye works as a janitor at the same store. Dong Joon is the only male member of the labor union at the discount store. Suddenly, contract workers are laid off at the store. The laid-off contract works stand up against their unfair dismissal.