Secret Therapy summary: Yoon Jaesung had it all - looks, wealth, popularity, and academic excellence. But his reign came to an end when Lee Hyun returned to school and surpassed him as the top student. Jaesung couldn't stand losing his position to someone like Hyun, whom he deemed a loser. Adding to his troubles, Jaesung was struggling with erectile dysfunction. Meanwhile, Hyun worked multiple jobs to afford school expenses. One of them involved secretly streaming on a popular gay site called "Cake," where users paid to watch performers fulfill their requests. When a friend suggested this as a remedy for Jaesung's problem, he discovered a special streamer who instantly remedied his impotence. Jaesung was so blown away that he would do anything to meet the man who helped him regain his sexual prowess.