خلاصه داستان : داستان در مورد قاتلی به نام برین است که در حین قتل دچار حادثه می شود و برای زنده ماندن تلاش می کند در حالی که به همه اطرافیان خود مشکوک است تا بفهمد پس از اینکه به سختی جان سالم به در برده است، چه کسی پشت این حادثه است.

Young-il is a plotter who manipulates murder-for-hire cases to look like accidents. Nobody knows those accidents are in fact perfectly plotted, planned murders. After finishing a flawlessly plotted case with no trace of evidence left behind, Young-il receives a new request. His new target is a prominent political figure who is always under the spotlight. Even with the higher risk of getting exposed, Young-il decides to take the case with his team members, Jackie, Wol-cheon, and Jeom-man. When the plot is ready after immaculate preparation and numerous rehearsals, the team finally makes its move, but some unexpected trouble threatens Young-il’s perfect plan.