芳齡十八的妮莉，原本長年與養母同住瑞典鄉間，平靜的生活就從某天生母忽然來訪開始變奏。她隨著生母來到斯德哥爾摩一探究竟，大城市為她帶來從未經歷過的體驗，也啟迪了她的愛情視野。但偏偏她的愛慕對象卻是生母的情人，母女關係猶如緊繃之弦，悲劇是否註定發生？影片當時雖然票房不佳，卻是柏格曼初執導演筒的處女作。

Sailor Johannes Blom returns to his home port, after seven years at sea, to find that Sally, the girl he has been thinking of while away, is completely despondent. Seven years earlier, obstreperous Alexander Blom, brings his mistress Sally to live with him, his wife Alice, son Johannes, and crew, aboard the salvage boat he captains. Amidst all the tensions on the small boat, Johannes and Sally fall in love with each other. Written by Will Gilbert