A young Polish seaman walks eagerly through Tiger Bay to visit Anya, the woman he wishes to marry. On arriving at her apartment he discovers that she has moved, leaving a large number of debts. He finds her new address and visits her, only to be told that she has another man now. During a violent argument, Anya takes a gun from a drawer, and in panic the sailor grabs it. He does not realise but as he commits his crime, he is being watched through the letter box..