In 1970s Los Angeles, bumbling private eye Holland March (Ryan Gosling) and muscle-for-hire Jackson Healy (Russell Crowe) become unlikely partners when they find themselves both looking for a missing woman named Amelia (Margaret Qualley) following the death of a high-profile porn star. Amelia's ties to the deceased actress are unclear, but as other members of the porn industry turn up dead, March and Healy's investigation reveals a much bigger conspiracy than the duo could have ever anticipated. With the help of March's teenage daughter Holly (Angourie Rice), their sleuthing eventually unearths corruption within the federal government.