Kanako Natsume, who has been married for two years. She thought she was having a smooth married life with her husband. However, as his work became busier, the distance between the two gradually widened. One day, she noticed something strange about her husband when he returned from a business trip. Feeling uneasy with a woman's intuition, Kanako peeks at her husband's smartphone. Then, she finds traces of her husband, who was supposed to be on a business trip, going on a trip with a company staff member. She used to do things happily with her husband, but she feels her chest tightening, wondering why things turned out this way. And when she consulted her husband's affair with a friend, she received advice to find a way to release her feelings...
