From the same director (Jeong Dae Yoon) from Designated Survivor: 60 Days
Has the same lead actor (Song Joong Ki) from Vinchenzo and Descendant of the Sun
Each episode ends with a cliffhanger
Plot is 11/10
In my Top 5 Kdrama list
Adapted from the web novel "Youngest Son of a Conglomerate" by San Gyung