Santiago is an elegant and fastidious assassin who uses poison as his secret weapon. When his Don — the mysterious Mr. Cloud — challenges him with a demanding task he is forced to work together with the neophyte Jill — Complicating Santiago's reward of freedom. Santiago is an elegant and fastidious assassin who uses poison as his secret weapon. When his Don — the mysterious Mr. Cloud — challenges him with a demanding task he is forced to work together with the neophyte Jill — Complicating Santiago's reward of freedom. Santiago is an elegant and fastidious assassin who uses poison as his secret weapon. When his Don — the mysterious Mr. Cloud — challenges him with a demanding task he is forced to work together with the neophyte Jill — Complicating Santiago's reward of freedom. Santiago is an elegant and fastidious assassin who uses poison as his secret weapon. When his Don — the mysterious Mr. Cloud — challenges him with a demanding task he is forced to work together with the neophyte Jill — Complicating Santiago's reward of freedom.