When a wealthy family goes into lockdown after a vicious virus sweeps the nation, their fragile relationships are put to the test.
Mark, the invalid father and husband, is a wreck.
The children are scared.
The mother, Brenna, is unravelling.
And when a member of the household staff starts to show symptoms, it leads them down a dark and deadly path.
Will they all get out of lockdown alive? Or will isolation be the end of them?