In 1970s Los Angeles, down-on-his-luck private eye Holland March (Ryan Gosling) and hired enforcer Jackson Healy (Russell Crowe) must work together to solve the case of a missing girl named Amelia Kutner (Margaret Qualley) and apparent suicide of a fading porn star Misty Mountains (Murielle Telio). During their investigation, they uncover a shocking criminal conspiracy which reaches up to the highest circles of power.