Spring is the season after winter when petals of a wide variety of flowers will gather and bloom to their extent beauty. However, in the town of Arefacio, residents noticed flowers are withered and dry after a unique flower called Poison Glory, starts to show up during the spring. Old villagers believed that the said flower absorbs all the energy from the other flowers. MEANWHILE, Far away from the mountains and lakes, a city girl named Perdita, a nursing student who felt like she didn't belong to her current world, discovers the Arefacio town on an internet page. Stressed from everything, Perdita recklessly decides to visit the town, not knowing the danger that awaits behind those flowers.