Ho Sau, an undercover agent, has been working with Yau, a drug lord, for years, but his job and family are in trouble.
Four telecom employees begrudgingly join the company’s dragon boat team to help keep them immune from encroaching layoffs only to discover themselves.
A chief inspector in the anti-narcotics unit holds true to his beliefs as a police officer. He puts everything on the line to crack down on drugs and to bring drug traffickers to justice. How will our hero resolve this "bursting point" crisis?