Welcome to Happiness – this is both the name and the program of Rosa's guesthouse in the Tyrolean mountains. Whether it's the first heartbreak or the stumbling blocks of married life, the charming guesthouse owner always has the right solution for her guests. Only she herself has no luck in love. For years, she has been infatuated with her attractive childhood friend Christian. But then Florian appears before her with his piercing blue eyes and seductive smile. He sweeps her off her feet and completely disrupts her quiet life. Yet, it is Christian who is suspicious of her newfound happiness. Does he have feelings for Rosa? Who can she still trust, and who truly has her best interests at heart?.