Back in India, Ranjit Singh commanded an elite army squad before his career ended in dishonor. Now he is a caretaker of exclusive vacation homes on Martha's Vineyard. One harsh winter, he secretly moves his family into the house of one of his clients, an African-American senator. When mysterious men break into the house, Ranjit is forced to enter a shadowy world. And his only ally is Anna, the senator's beautiful wife, who has secrets of her own.