Annotation: "In the middle of summer, Lisa receives an unexpected visitor. It's Ale, her inseparable friend when she was little. They need little to be united again. The interrupted game from then--the construction of a wooden raft--is waiting for them. But something has changed, there is a big secret that undermines Ale's serenity, a secret rooted in an August many years ago. What really happened that summer at the lake? Lisa has 21 days to find out. 21 days before the Ferragosto festival arrives and Ale leaves again, probably forever. But she is sure of one thing: to start again in earnest, the truth is the only possible starting point. And