The 12 members of Hong Kong's most popular boy group MIRROR present their first idol-style comedy, each of them being a star member of an underground organisation, the "League of Kaito", which has been secretly guarding social order and world peace. While each of them possess extraordinary skills, it has been a long while since they worked together again. When their Boss sends them on a mission to save the world, they must rekindle their spirit and together fight the League's enemy. Get ready with the family for an action-packed story filled with MIRROR-style humor suitable for all!