[1][2][3][4] A story of three individuals propelled by their undying greed as they clamor for wealth and power in order to reign supreme at the top of the food chain.

Park Gun-woo (Jin Goo), a warm-hearted, free-spirited man of integrity and the heir of a big company who got betrayed by his love, Yi-kyung, 12 years ago.

Lee Se-jin (Uee) is a hired persona and comes from a poor family, she lost her parents when she was young, and desperately wants to escape from her situation.

[5][6][7] The first script reading took place September 27, 2016 at MBC Broadcasting Station in Sangam, South Korea and filming began on October 4 in Seoul.

Three months after the end of Night Light, the TV Chosun subsidiary HIGROUND (then known as C-Story), one of its producers, was accused of not duly compensating the actors of the drama.