Although the drug is present in this film, the Crack this movie is about is, metaphorically, the crack in society which all the protagonists inhabit in a rundown neighborhood in Rome.
Italy, 1977. Professor Bruschi is a retired widower who lives according to a strict routine he set for himself. An ardent old-style communist, he has always been at odds with the unconventional lifestyle led by his son and his hippieish girlfriend Stella. When their four-year-old daughter is left in his care out of the blue after the two break up, the old professor becomes a sort of father figure to the girl, growing fond of her. However he's once again challenged when Stella also arrives for a stay in his elegant villa, reclaiming custody of her daughter.
To inherit a fortune, all Robert has to do is reopen a delapidated theatre and stage "Hamlet". Unknown to everyone else, Robert witnessed a murder in that theatre as a child... and the murderer is one of the cast.
On Christmas night, four estranged friends reunite after a long time to rip off a rich industrialist in a game of poker, but old grudges get in the way.
