Watch Movies2Watch. Nazaré is the most intense and unpredictable surfing arena on earth. Undercurrents follows 16-year-old Brit Imari Hearn as she joins forces with big wave charger Laura Crane to face down the Portuguese behemoth for the very first time. More than just a surfing spectacle, it’s an intimate exploration of mentorship, resilience, and the bond forged between two women taking on a formidable lineup and a male-dominated industry together.