The Good Heart by Dagur Kári, featuring Brian Cox, Paul Dano and Isild Le Besco.
Trailer (Icelandic version).
A homeless boy (Lucas) meets a grouchy bar-owner (Jacques) whose unhealthy lifestyle has resulted in five heart attacks. Jacques takes Lucas under his wing with the intention of having him continuing his legacy. Everything is going according to plan until a drunken stewardess (April) enters the bar.