In 18th Century Portugal, Jeremias was an aspiring painter until the death of his wife spiraled him into a depression of drugs and alcohol. That all changed the day a wealthy, enigmatic patron from Asia arrived on his doorstep. Together, the two embark on a journey in search of a mythical pigment to use on the patron's portrait. But was Jeremias merely hired to do a job...or does the patron have something more devious in mind?