After the suicide of his best friend and the fire of a local dance called Cromañón, including recitals, illegal parties in an abandoned warehouse and high school, a year passes by in the life of Zabo who writes everything he feels and lives in his blog, "Memories of a teenager".
In 2027, in a chaotic world in which humans can no longer procreate, a former activist agrees to help transport a miraculously pregnant woman to a sanctuary at sea, where her child's birth may help scientists save the future of humankind.