Clyde Wynant, an eccentric absent minded inventor, is about to leave for three months before his daughters wedding, but he promises to return for the wedding. When the wedding day draws near, the daughter becomes worried about her father. In addition, Clyde's ex-wife is worried as well, since her money is running out and she needs more. However, in the absence of Clyde a murder of his mistress is committed right before a visit between his ex-wife and mistress was planned to discuss Clyde's wherabouts.. Nick Charles, a friend of the Wynant family, is in town with his wife to enjoy their time together with parties and relaxation. Despite copious attempts to relax, Nick is forced to undertake the investigation in a joint operation between him and the police force. This investigation takes many directions before they think they have the murderer, who becomes a serial killer at the end. The Thin Man is a well written criminal comedy that engages the audience on multiple levels, which provides an amazing cinematic experience.