Emma, John, and Mari Collingwood head out on vacation to their summer lake house. Shortly after arriving, Mari borrows the family car and drives into town to spend time with her friend Paige. While Paige is working the cash register at a local store, she and Mari meet Justin, a teenager passing through the town. Justin invites them both back to his hotel room to smoke some weed. After kidnapping and ruthlessly assaulting the two girls, Justin's father...

A tribute to mystery mastermind Agatha Christie and a fun, modern-day murder mystery where everyone is a suspect. 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...