Marie Kondo, aka KonMari, is a cleaning consultant. Her Life-Changing Magic of Tidying Up series has stirred up phenomenal sensations all over the world. Emily Newhouse, who lives alone in New York, needs to tidy up her place so that her boyfriend can move in. A big fan of KonMari, she begins to apply the KonMari Method, but finds herself unable to deal with her mementos, such as a doll from her childhood and sketches she submitted as a student. KonMari acknowledges that they are the most difficult items to tidy. Emily can't help shedding tears as she goes through her stuff with KonMari. Can she attain her ideal life? How does KonMari help her through the ordeal?