![Rue du Bac](https://upfilm.vip/wp-content/uploads/2023/10/j5F1vruJQq3ZyGnJIpBc20aZzvl-185x278.jpg)
Se-ha who is a physically handicapped and Dong-gu who is a mentally handicapped are not their own brothers. But while living 20 years together, the two became indispensable to each other. One day, the mother of Dong-gu suddenly visits him and acts as his guardian.