Parantaja is a 2025 Finnish drama thriller series in which Emma, a surgeon going through a deep career crisis, meets Roosa — a charismatic and seductive wellness influencer — and what begins as an intense friendship quickly crosses into a passionate lesbian affair, with Emma cheating on her husband Johannes behind his back. As Roosa's hold over Emma grows increasingly obsessive and controlling, the series peels back the dark layers of both women, pulling Emma further and further from her marriage, her career, and everything she once knew.