Anna devotes herself to her work as if to escape from her cold marriage. Contrary to her family troubles, Anna is known at work for being kind and charming to everyone. Yano, a colleague, has feelings for Anna. To cheer up Anna, who always seems a little lonely, he invites her out for tea, but when they are alone, he gets carried away and confesses his feelings. Anna is overcome with joy at the fact that Yano has not given up on her despite knowing that she is married. Touched by Yano's pure love, which she does not have in her husband, Anna gives herself to him.