In the lush, rain-drenched landscapes of southern Taiwan, a young man returns to his family’s traditional herb farm, carrying the weight of a fractured modern life. Directed by Hsieh Cheng-hsuan, "Subtropical Herb" delicately unfolds as this prodigal son grapples with the fading legacy of his ailing father and the ancient knowledge of healing plants that seems rooted to the very soil he once longed to escape. His journey becomes a quiet clash between old and new, as the pragmatic demands of the present threaten to wither a way of life cultivated across generations. This atmospheric drama breathes with the humidity of its setting, weaving a poignant and sensory-rich tale of reconnection, memory, and the slow, difficult work of healing personal and familial wounds. It is a contemplative exploration of whether one can ever truly go home again, and what is lost or found in the attempt.