Cléo and Oscar are a couple that seems perfect in every way. During an evening with friends, the lovers end up committing an irreparable crime. They will have to maintain their appearances to face the consequences of their actions.

In an inner courtyard of a working-class neighborhood, in the heart of the 1950s, Charlotte discovers a barefoot, inconsolable child. She sets out to retrieve his pair of shoes, hanging from an electrical wire above their heads. Soon, neighbors of all kinds join the effort. But the task proves much more difficult than it first appears.