After losing her young son Bobby in a tragic accident, bereaved mother Menley Nichols finds her relationship with husband Adam, a high-profile criminal attorney, steadily falling apart. However, the birth of their second child, Hannah, promises to save their marriage, and the three of them start a new life in a rented house on Cape Cod.
But as Menley will soon learn, things are never that simple. For at her new home, the aptly named Remember House, strange incidents force her into reliving the terrible night she lost her first son, and she soon fears for the safety of her new daughter. Meanwhile, Adam takes on a client suspected of drowning his wife, and the two scenarios soon collide and result in a dramatic final confrontation on a rainswept beach for the Nicholses.