The Last Mark.

Old uncle Bill who served as the sidekick to the legendary gambler/card shark, Harry tells the story of how they gambled and partied their way from the high rolling days of the 50's to the crazy drug fueled times of the 60's and reveals a dark secret. Harry's son, Hoppy finally finds the courage to escape his bleak future as "a mark" through uncle Bill's story and redemptive kindness.