A mother must be away from her son for the day. She tells him that no matter where she goes, he is in her heart. 'When I'm standing with other people waiting for the bus, and when I'm sitting by myself reading the paper, and when I take off my coat and begin doing my work, you're in my heart. Plenty of room for you here!' The tale takes us through her whole day (with her activities as well as her son's activities) until the two finally reunite at the end of the day. The book closes with the son sleeping peacefully in bed, with all his family members inside his own heart.