The life of Naya, a minimarket cashier girl, is often plagued by unfortunate and unlucky events. Until one day, she receives an interesting offer from a mysterious shop to swap the path of her fate with the destiny of others.
Tired of the "game", Naya outsmarts Master and the Fortune Exchange Store by bringing her family into the house of someone she chose. Naya feels her life has become perfect, but this greed certainly brings even more disaster.
