Lian Son is a Taiwanese assassin hiding in Okinawa. Yukiko works at a lunch box shop, but she has a painful past. Saya works at a public swimming pool, but is bored with her life. The solitary lives of these three people slowly intersect with each other under the bright sunshine of Okinawa.
An exceptional marksman and hopeless playboy, private eye Ryo Saeba reluctantly forms an alliance with his late partner's sister to investigate his death.
