After the events of the third installment, which saw Shankle slain and Chad killed by his greatest fear, Jaxon, Jess, and Jan confront new challenges in their quest to eliminate the remaining Alijuko threat to their universe. Jaxon and Jan delve into newspapers and diary entries for clues, while Jan receives care from Rose Jackline, who devises a plan to eradicate the Alijuko. As their world teeters on the brink of Alijuko domination and universes collide, the sixth installment of X.R. Balzan's 'The Shadow Monster' continues the trauma club's journey. It marks a pivotal halfway point in their mission to destroy the Alijuko species within their universe and prevent their incursion into others.