Unexpectedly, the guy suddenly appears. Cologne student Mia met the restorer Matteo briefly in Venice and invited him to the city on the Rhine. Mia lives with two friends in a shared apartment in northern Cologne. Her guest Matteo exudes something magical, unfathomable, and otherworldly. Devotedly, he follows the traces of ancient connections between Cologne and Venice, guided by deeply felt spirituality and a passion for patient observation. He draws ever closer to the abysses of his existence, a pull that also affects his roommates. When he wants to return home, nothing is as it once was.