Amihan lives on Culion Island, where some of the inhabitants, including her mother, have leprosy. Ami loves her home - with its blue seas and lush forests. But the arrival of malicious government official Mr Zamora changes her world forever: all the islanders untouched by leprosy, like Ami, are forced to leave. Banished across the sea, she's desperate to return before her mother's death. She finds a strange and fragile hope in a colony of butterflies. Can they lead her home before it's too late?