How well do you know your friends? Isolated and embroiled in a custody battle, Mary is desperate for a friend. So when she meets the charming and enigmatic Willa at a Brooklyn playground, their connection feels fated. But during a margarita-fueled moms' night out, Mary shares her darkest secret about her ex, George, and the next morning Willa simply disappears. No calls, no texts, nothing. Two months later, Mary's divorce...