It has been a few months since Maki began her life as the second wife of Kan Fukuda—a man significantly older than her. One morning, she sits down for breakfast with her teenage stepson, Hiroshi, but the atmosphere between them has grown strained. The moment Maki takes her seat across from him, Hiroshi abruptly gets up and walks away, clearly wanting nothing to do with her. The root of this tension? Hiroshi has discovered that his father, Kan, has had a mistress since long before he married Maki…