In the breathtaking backdrop of the Italian Alps, a forest ranger becomes an unexpected detective, solving gripping crimes while protecting both nature and the people who call it home. In the fourth season, Francesco, a former Special Forces soldier devastated by his son’s death, takes command of the forestry police in San Candido seeking a new beginning. His investigation into violent crimes linked to the Krampus legend draws him into a closed mountain community where his ex-wife has taken refuge. Amid danger and loss, new bonds with Emma and the rebellious Zoe give Francesco a reason to fight for life again.