Flying Revolution: The Story of a Lifetime Battle (2018) - IMDb
A young soldier named Sa-mul is initially sent to assassinate Yang Man-chun for being a "traitor." However, after witnessing the commander's bravery and dedication to his people, Sa-mul shifts his mission to help defend the fortress.
To maintain her social standing, she hides her new reality from her wealthy friends. However, she meets Mikael , a street dancer who introduces her to the raw energy of hip-hop and underground dance battles.
The film depicts the 88-day siege where the outnumbered defenders use ingenious tactical maneuvers to repel the invaders, marking one of the most famous victories in Korean history.
Amalie becomes torn between her old, superficial life and her new connection with Mikael. She must eventually decide if she has the courage to be true to herself and her evolving style of dance.