The night is blue and the moon is yellow. A renowned private eye is hired to observe a lonesome pianist.
A discomforting situation unfolds a late night in the streets of Brussels, when Ousmane and his sister Tiguidanké decide to ask a young couple passing by for help.
From a fixed point of view, we witness a tense bus ride in Brussels, when Samuel - a Congolese immigrant - gets on to voice his discontent with Europe.