In a world where an app alerts people if someone in the vicinity likes them, Kim Jojo experiences young love while coping with personal adversities.

Baek Ho-rang is a high school student. Due to her pretty appearance, she is popular on social media and at her school. Yet, Baek Ho-rang only has one friend, due to her condescending personality. Baek Ho-rang encounters a problem. She learns that someone is trying to unveil her secret. To find that anonymous person, Baek Ho-rang joins her high school's broadcasting club. Go Eun-taek is the chief of the broadcasting club. He is a perfectionist and respected by the club members.

Young entrepreneurs aspiring to launch virtual dreams into reality compete for success and love in the cutthroat world of Korea's high-tech industry.

In a world where data is no longer private, con artists uncover a sinister surveillance scheme headed by the government and a greedy corporation.