Y/N and Heeseung, former University dance couple, broke up, but once he talked bad about you behind your back and you heard it all, you decided not to pay attention to him lead to a big argument and a breakup

*Few days later,there was a dance competition in an arena, they passed 4 rounds and they're unexpectedly paired for the final round of the "Fusion" dance battle. Forced to reunite on stage, their tense dance routine revives old feelings, blurring the line between love and rivalry. Will their passion for dance rekindle romance or fuel competition in "Rhythm of Rivalry"?