After the ultra sophisticated couple, Bob (a filmmaker) and wife, Carol attend a secluded therapy group (only to observe) they become modernized in their sexual thinking and behavior. Can Bob and Carol's new thinking rub off onto best friends, Ted and Alice?Documentary film-maker Bob Saunders and his wife Carol attend a group therapy session that serves as the backdrop for the opening scenes of the film. Returning to their Los Angeles home, the newly "enlightened" couple chastise their closest friends, Ted and Alice, for not coming to grips with their true feelings. Bob insists that everyone "feel" rather than intellectualize their emotions, and Carol pronounces "that's beautiful" after anyone says anything even remotely personal. Ted and Alice humor their friends, but it is obvious that there is a good-natured sexual tension at work within the foursome.
无依无靠的女孩慧智(金高银 饰)为了赚钱,和闺蜜以及两个混混朋友导演了一场仙人跳,结果被勒索的男人出了意外,四个人只能落荒而逃。躲避之时,慧智在牛奶盒上发现一个寻人启示,而上面失踪的女孩和她姓名一模一样。寻人启事的发出者名叫洪季春(尹汝贞 饰),是一位生活在济州岛的老奶奶,十二年前她和小孙女相依为命,祖孙二人彼此依靠,谁也离不开谁。可是在一次赶集时,祖孙俩不慎走失,从此老奶奶的人生堕入黑暗。直到某天,警方通知找到了慧智,这令季春奶奶欣喜过往。失落已久的幸福重新归来,然而这又是多么脆弱易碎的幸福……