As a deadly epidemic sends the nation into quarantine, one family must face a killer in their home in this tense and timely mystery thriller.

Seemingly out of nowhere, a vicious virus puts all of America on lockdown. In their opulent mansion, the wealthy Stone family is better off than most. But they're not without their problems. Mark, a former tech industry giant, is now an invalid close to death. His wife Brenna is unravelling more each day. And the children are terrified by the constantly shifting news.

Then a member of the household staff starts showing symptoms. As paranoia builds, the family's fragile bonds are put to the test. But the virus is the least of their worries. Because someone has chosen to use this crisis to take the ultimate revenge . . .