The murder mystery sequel concludes with detective Benoit Blanc revealing tech billionaire Miles Bron as the true killer of his former business partner Andi. Though Miles tried to pin Andi’s murder on his friends during Blanc’s murder mystery party, the detective sees through his manipulations. After Miles also accidentally poisons his friend Duke, Helen exposes Miles by smashing his prized Glass Onion sculpture that contains the suicide note Miles faked from Andi. Miles is arrested while Blanc and Helen reflect on how wealth and power corrupted Miles, making him feel invincible and entitled to take a life. The ending provides a satisfying reveal of Miles’ hubris and deception, bringing him to justice. It also reiterates Blanc’s unmatched skills as a master sleuth who solves an elaborate murder plot by a narcissistic billionaire. Justice is served in the end thanks to Blanc seeing through the web of lies and deception to uncover the ugly truth Miles tried desperately to hide.