Synopsis: The latest martial arts action movie "The Lady Detective" tells the story of a female catcher, Shi Xiaosi, who received a report that an out-of-town man was mysteriously poisoned in the town's pumpkin shop. Shi Xiaosi immediately led his men to investigate the case, but was attacked by a mysterious man on the way. After arriving at the Pumpkin Shop, Shi Xiaosi found out that this was an inexplicable incident, and there was no clue for a while. Soon after the poisoned man regained consciousness, more suspicions were implicated, and an unsolved case seven years ago gradually began to surface. The boss who is full of thoughts, the famous doctor, the weird and wretched guy, the indifferent and suspicious lady, the elusive mad woman, everyone in the store is suspicious and seems to have nothing to do with the whole incident. Just as Shi Xiaosi eliminated the suspects one by one, the people in the shop began to die one after another. A larger conspiracy loomed over all of them, and seemed to engulf them, along with this place. Can Shi Xiaosi finally catch the real culprit, and what will be the answer to the unsolved case seven years ago?
