As the various members of the Galloway family gather to depart for their annual reunion, years-long tensions and rivalries flare up, as they arrive at the private island home of patriarch Spencer. After receiving shocking news about his end-of-life plans, the group is faced with the resumption of a long-dormant round of cruel family competitions from the past.

Shocking revelations make the Galloway family competition even more difficult, as grizzly discoveries and panic grip the family, and the killer claims the first victims. Meanwhile, suspicions start to mount against one outsider following an unexpected reveal.

After discovering Florence’s selfish crime, Theo takes matters into his own hands in dealing with his wicked mother. Christy learns more about Aphra’s past, with grisly results.

After revealing The Gentleman’s true identity, Theo, Vincent, and Liv face horrific truths about the competition and their family, and the heir to the Galloway fortune claims their prize.