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.

• Lai Yiu-Cheung
• Nancy Wu
• Edwin Siu
• Hera Chan
• Joey Law
• Lee Shing-Cheong
• Celina Harto
• To Yin-Gor