In booming 1932 Los Angeles, a down-and-out defense attorney takes on the case of a lifetime. The series focuses on the origin story of famed defense lawyer Perry Mason. In 1932, Los Angeles is prospering while the rest of the U.S. is recovering from the grip of the Great Depression. Down-and-out private investigator Perry Mason is struggling with his trauma from The Great War and being divorced. He is hired for a sensational child kidnapping trial; his investigation results in major consequences for Mason, those around him, and local leaders.