Sweet Revenge

“Is that revenge really worth trampling over the happiness right in front of you?” Lee Eui-jun is a breadwinner, living a tightly packed life supporting his long-term hospitalized mother and his younger sister who is a college student. Eui-jun goes to a friend's wedding and meets Seo Do-heon, his ex-boyfriend who dumped him. Do-heon, knowing that Eui-jun is looking for a job, takes his resume and eventually hires him as his personal secretary. At his first normal job, Eui-jun becomes stable with Do-heon's help, and the two naturally grow closer again. However, for some reason, Do-heon also believes that he was abandoned by Eui-jun in the past, and in fact, the reason Do-heon helped Eui-jun...