Kim Yong-san forces Ji-pyeong to reflect on his past remarks. In-jae and Dal-mi's companies showcase rivaling programs using the same technology.

Alex Kwon shows his true colors, proving Ji-pyeong right and fulfilling Samsan Tech's worst fears. Do-san tells Ji-pyeong about Won-deok's health.

Dal-mi and In-jae's self-driving car is hit by a ransomware attack. Samsan Tech founders return after a successful three-year stint in San Francisco.