Kou Ichinomiya (Kento Hayashi) comes from a wealthy family & his father runs a famous company. Kou is smart enough to already run several high-flying firms. From an early age Kou's father taught him to never owe anybody anything. Because of this, when he does owe someone something he will suffer an asthma attack. He's obsessed with never becoming in debt to another person.
One day, Kou falls into the Arakawa River and is saved by homeless girl Nino (Mirei Kiritani). Kou is in debt to Nino for saving his life. With his obsession over never owing something to another person, Kou asks Nino if there is any way he can pay her back. The girl doesn't want anything. Kou persists in paying back his debt to her and finally Nino aks Kou to love her. Kou will then start to live under the Arakawa River bridge with Nino and other homeless persons ...
Set on an island off the coast of New England in the summer of 1965, Moonrise Kingdom tells the story of two twelve-year-olds who fall in love, make a secret pact, and run away together into the wilderness.
When an evil spirit known as Pitch lays down the gauntlet to take over the world, the immortal Guardians must join forces for the first time to protect the hopes, beliefs and imagination of children all over the world.