Stella Shen and her mother, Susan Shen, collect scrap. They helped four men in need: Hayden Hawthorne, Felix Ford, Sean Shaw, and Kian. These men became a powerful tycoon, an underground magnate, a leading medical expert, and a top hacker. They wish to repay the mother and daughter, but the mother maintains her humble lifestyle. One day, Pearl Davenport publicly humiliates and assaults them. In this crisis, the four powerful men arrive to make the aggressor pay.
