1) Citizen Kane explores the life of Charles Foster Kane, a wealthy businessman who prioritizes wealth and possessions over true love.
2) As a young reporter attempts to discover the meaning of Kane's final word, "Rosebud", it is revealed that Rosebud represents Kane's childhood and the love he felt then but was unable to find again.
3) Kane's marriages and career choices result in misery, depression, and death alone, as he views people as possessions and investments rather than with love.