None but the Lonely Heart (film)

None but the Lonely Heart is a 1944 American film which tells the story of a young Cockney drifter who returns home with no ambitions but finds that his family needs him. Adapted by Clifford Odets from the novel by Richard Llewellyn and directed by Odets, the movie stars Cary Grant, Ethel Barrymore, and Barry Fitzgerald.

Ernie Mott Cary Grant is a restless, irresponsible, wandering cockney with a good musical ear. On Armistice Day, Ernie visits the tomb of The Unknown Warrior, which memorializes those who died in World War I, including his father. Ernie wants a better life but doesnt want to settle down or work for it. When he returns home, Ma Mott Ethel Barrymore asks why he has returned after so long, and she gives him an ultimatum that he must stay home now or leave forever. He informs her that he will then be leaving next morning, and goes out to get a drink. He meets fellow musician Aggie Hunter Jane Wyatt outside the bar, but instead prefers the company of a gangsters fickle exwife Ada Brantline June Duprez. However, when Ernie becomes smitten with Ada, she rejects his offer of a date when he tells her he will be leaving town tomorrow.The next morning, Ma Mott tells her pawnbroker friend, Ike Weber Konstantin Shayne, that she has cancer. Ma and Ernie get into another fight, but after he storms out, Ike shares with him that his mother needs him in her battle with cancer. Ernie returns and says that he will stay with her at home, and help her run her shop. ........

Source: Wikipedia