Los Angeles, 1931. On the heels of an unsavory investigation involving a famous comedian, Perry Mason – a PI struggling to make ends meet – and his right-hand man Pete Strickland are hired by attorney E.B. Jonathan, Perry's mentor, to solve a perplexing case: the brutal kidnapping of one-year-old Charlie Dodson, whose parents Matthew and Emily were targeted for a $100,000 ransom.