LA-born Leon returns to his father’s hometown, Chihai—a small seaside village on the west coast of Taiwan—after discovering that his supposedly dead grandmother is still alive. While trying to get to know her, Leon meets Wen, a mysterious girl who has rented a room in his family’s house. As Wen uses her hypnosis skills to help Leon with his depression, the two gradually develop a romantic relationship. Meanwhile, they uncover dark secrets about Leon’s family and Chihai.