Phrae an online seller with her signature blonde hair, She is heartbroken and decides to pray to the sacred spirit Chao Por Ying Rak for a wish.

She unexpectedly travels back in time to become a slave in the year 1889 during the reign of King Rama V. With only her mobile phone as her companion, Phrae is captured and forced into slavery in the mansion of Luang Kam.

She meets Kla, a loyal young slave who helps her in every way possible.

Miraculously, Prae discovers that the only way to return to the present is to help Kla find love.

However, Kla is secretly in love with Tubtim, the betrothed of Khun Ek, a close friend of his master since childhood.