When young priest Jud Duplenticy is sent to assist charismatic firebrand Monsignor Jefferson Wicks, it’s clear that all is not well in the pews. After a sudden and seemingly impossible murder rocks the town, the lack of an obvious suspect prompts local police chief Geraldine Scott to join forces with renowned detective Benoit Blanc to unravel a mystery that defies all logic.

When renowned crime novelist Harlan Thrombey is found dead at his estate just after his 85th birthday, the inquisitive and debonair Detective Benoit Blanc is mysteriously enlisted to investigate. From Harlan's dysfunctional family to his devoted staff, Blanc sifts through a web of red herrings and self-serving lies to uncover the truth behind Harlan's untimely death.