Stunned by the abrupt end to her marriage, Sara Wolesley abandons her comfortable life in Toronto and with her daughters in tow, takes possession of a rundown Quebec cottage on a frozen lake. But a life of solitude is not the idyll Sara imagined it would be. When she discovers the body of a missing child under the ice, Sara is drawn into the dark secrets and lies of two mothers in the tightly-knit community and her fragile security is shattered.