A musical in the Leiria Shopping sanitary facilities. A group of musicians meets the public as they walk towards the toilets, welcoming them in the hall. They pick some of the people to follow them into the facilities while they improvise with sound and interact with the audience the whole time they are in the WC. The interpreters bring their audience into the WC where they join other musicians waiting inside and, together, they all improvise a musical. The public is free get involved as much or as little as they like.