"I'm Against My Romance" will tell the story of ex-lovers who decided to reunite once again. As they return as lovers, the two will rediscover if it is still the continuation of the relationship they are already familiar with, or if they are starting a new relationship they are unfamiliar with. The K-drama will showcase the happenings when each other's first love reunites once again. Kim Tae Kyung is a woman known for her great instincts and righteous character. She felt the love she had for her first love once again after meeting him again after 10 years. Hong Je Bi is a careless teacher at a daycare center.