The suitcase is a film dealing with themes as love, war and trust. In the 1940s war-torn Denmark, the young girl Marie turns 10 years old. It is celebrated in the parents' bakery shop where she and her cousin Sebastian on 13 years daily work. But the normally sheltered life comes to an end as a group of soldiers storms the shop and take both Marie's father and mother with them. Together with Sebastian, Marie goes out to find her parents. Although the reality gives little chances Marie is hopeful, while Sebastian fears the day he will have to tell her the truth.