John Haloran's sudden death on a rowboat with his wife Louise sparks a sinister plot, as she attempts to hide his demise and secure her inheritance. Meanwhile, the Haloran family's dark past and eerie traditions surrounding the anniversary of their deceased daughter Kathleen's drowning threaten to unravel as an axe-wielding killer targets the family.

Dementia 13
A widow's intricate scheme to secure her husband's inheritance is threatened when a mysterious killer, wielding an axe, starts terrorizing the family's estate, uncovering hidden secrets and putting her life at risk.