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。

DEBUT is about Philip who dreams of becoming a model. At a casting he gets the chance to be photographed with the well-known model Sebastiaan, they fall in love. During the photo shoot, Philip pushes his limits more and more in order to keep the photographer's interest. Philip and Sebastiaan lose control of the situation when Philip is doing everything he can just to be able to stay in front of the camera.