Certain her father was in peril, Ida pursued his path to a village nestled in the French Alps. But a further vanishing act stirred up a forgotten mystery.

Ida and Jaro sift through dusty VHS tapes, seeking answers within their faded images. Meanwhile, a watchful Giovanna makes an unexpected visit to the Arcacia lab. A sense of unease settles over the town as the annual festival of Lévionna ap…

Gio and Ida discover a shared footing as they navigate the unexplored paths of the mountains. Meanwhile, Jaro and Roméo pursue a solitary figure, hoping he holds the key to Roxane Vial's story.

Gio’s theories are fraying the edges of their marriage. Meanwhile, Ida struggles to reconcile herself to the implications of DNA tests, as Jaro and Roméo’s visit to a psychiatric hospital descends into disarray.

A bond forms between Jaro and Gio after a troubling discovery made by her son deep within the mines. Meanwhile, Roméo is the focus of a strained dinner, hosted by Hari and his mother.

Panic seized the mine as a riot erupted at the Arcacia laboratory. Gio, consumed by urgency, fought to find the group within the tunnel before disaster struck.