Gu Changge, a female swordswoman from the Northern Frontier, loses her entire family and is driven to the brink of despair. She falls into a rift in time and space, landing on the set of a modern short drama. With a single slash, she cuts through the green screen, leaving the entire crew convinced she is a hidden grandmaster. The director thinks he has discovered a genius, while she believes she is fighting for her life. When fighting scenes can earn her money, she films by day and travels through time at night to deliver medicine and save her daughter. When a popular actress frames her, investors blacklist her, and her identity comes under investigation, she fights back with every strike of her blade. Her spectacular solo battle against six stunt performers in the rain sets the internet ablaze, but ancient pursuers are closing in one after another. This time, she must join forces with her modern-day friends to protect this world.