Mars et Avril takes place in a Montreal of the future when humanity is ready to move to Mars. But, not everyone is ready to go. Jacob Obus, a charismatic and beloved septuagenarian, leader of the anti-cybernetic movement, takes pride in slowing down time. He plays captivating music on instruments inspired by women’s bodies and designed by his friend, Arthur. 　　It’s when Jacob and Arthur are smitten by Avril, a young and short-winded photographer, that the true nature of the old sex symbol is revealed. After making love for the first time in his life, Jacob is ready to leave for Mars in search of his muse. In the midst of everything arrives Eugène Spaak, inventor, cosmologist and Arthur’s father, who maintains that Mars is only a chimera.