Tony Chum Ka-Fai, a calm and Senior Manager in the Investigation Enforcement Team of the Securities and Futures Commission, as he encounters his new and determined subordinate, Crystal Yu Hoi-yan. Despite their differing values, both Tony and Crystal share the same mission of purging the stock market of its imperfections. The investigation cases they undertake include interrogating the masterminds behind a fraudulent organization operating a deceptive stock trading platform, gathering evidence to uncover a cosmetic clinic owner's manipulation of prices to create false market advantages, and investigating a business manager who exploits insider information to gain an unfair advantage in the market due to his daughter's critical illness. As the story unfolds, the investigators must unite and confront stock market players who repeatedly engage in manipulative practices, battling against them to expose their schemes. They face a race against time to find the key pieces of evidence, working together as a team. "SFC in Action 4" showcases the challenges faced by the enforcement team as they strive to fulfill the mission of the Securities and Futures Commission. It explores themes of determination, dedication, and the pursuit of justice within the complex realm of the stock market.
