Tang Kwai-sim, known as Seventh Master, is a fiercely ambitious businesswoman who thrives under pressure, always pushing herself to the brink and emerging stronger. Chai Shap-chat, a business prodigy, becomes both her partner and rival. Their relationship is a mix of mutual exploitation, strategic alliances, and fierce rivalry, but they are willing to risk everything for each other.
Ching Ka-ying and Koo Ching-king are lovers and Chinese medicine graduates. Ching-king chooses to continue with his medical studies, causing the couple to end their relationship. Ten years later, the duo run into each other again. Ka-ying has become a public Chinese medicine center service supervisor. Although Ching-king is a Doctor of Chinese Medicine, he works under Ka-ying as her subordinate as he could only apply for the position of CM trainee practitioner. Even though the duo often quarrel due to their different beliefs, they are benevolent medical practitioners hoping to use their medical knowledge and experience to help patients. Despite the fact that there are many restrictions placed on CM practitioners in the health care system, they jointly oversee a contingent of novice CM practitioners, including Lo Yuen-chi, Yuen Si-si, Tong Siu-kwong and Pang Ching-mong. Together they create what they regard as the ideal Chinese medicine center and boldly go down the road to benevolence.
Pop musician Ding Yat-chun is often troubled by nightmares. He then gets embroiled in a plagiarism scandal, so he moves to a small village for the time being as he also wants to relax. Yat-chun unwittingly opens an old Cantonese opera costume trunk in the village house, releasing the ghost of opera diva Wan Lau-fong. In the 1990s, Lau-fong was a Cantonese opera diva, but she passed away due to some accident. Lau-fong has forgotten almost everything about her human life. And she only wants to track down her crush Kuk Hang-wan from yesteryear. Yat-chun agrees to help as he wants to assist Lau-fong in fulfilling her wish. While they get along, a human and a ghost support each other, and they gradually fall in love. However, someone finds out about Lau-fong's ghost. They are afraid of the truth behind her death being exposed, so they decide to cover up everything at all costs.