The Underclass

Rei Kagami (Ryosuke Yamada) is a billionaire and the CEO of the leading conglomerate company Kagami Group. He is an extremely smart inventor, who has developed revolutionary products, and is now doing research on high precision AI. When he was little, he was a curious and kind kid. As he grew up, his curiosity remained, but he became self-centered. For certain reasons, he begins to teach at a school, while hiding his identity as a billionaire and the CEO of Kagami Group. His performance as a teacher is quite poor compared to his excellent work as a CEO. He is incapable of understanding the ordinary lives of the teachers and students around him.

Yei!— Is what Gina says in positive situations or simply whenever she is happy. She has won a scholarship to the prestigious Caribbean Music Institute (CMI) on the island of Puerto Rico, the best place in the world to study Latin music and the birthplace of the successful reggaeton thanks to her lyric-writing abilities. Gina is a cheerful, energetic, and creative girl who loves writing. Her ultimate dream is to write songs.

This is a story about love and revenge. It tells the stories of the two big families in town: Tang and Shen. There are two generations of characters, and the emotions and relationships of the first generation are reflected in the second. After Qi Jun finishes his education and returns home, he has an arranged marriage to Yong En but doesn't know who she really is. Yong En grew up unwanted in a home with her father and his concubine. Ting Xuan and Ting Liang are in a cut throat competition for head of the family business.

In 1949, the only daughter of the largest tea factory in Taiwan was supposed to marry a man to take over her life and her father’s huge business. After she divorced, who was her own master became a question. To prove her worth, she intervenes in the family business that was in high debt. In an era when there was no "businesswoman", she led the crumbling tea factory to the world in the "tea wars”.

4400 overlooked, undervalued, or otherwise marginalized people who vanished without a trace over the last hundred years are all returned in an instant, having not aged a day and with no memory of what happened to them. As the government races to analyze the potential threat and contain the story, the 4400 themselves must grapple with the fact that they've been returned with a few "upgrades", and the increasing likelihood that they were all brought back now for a specific reason.