Coup!

Isolated on a seaside estate during the 1918 Spanish Flu, an entitled journalist (Billy Magnussen) and his socialite wife (Sarah Gadon) take in a mysterious grifter as a private cook (Peter Sarsgaard). When the plague descends on the island, the wily cook rouses his fellow staff to rebel and take over the mansion. Their wealthy employer suspects the cook's coup is part of a more sinister agenda, and mind games between master and servant escalate into boisterous class warfare.