Convicted of witchcraft, 8-year-old Shula is brought to live in a penal colony where witches do hard labour in service of the government.
When ambitious young correctional officer Aiman is transferred to the country's highest-security prison, he catches the attention of the seasoned chief executioner Rahim. Aiman's desire to become the hangman's apprentice is not only professional but born of an unspeakable urge to reconnect with a past that haunts him.
On a chance encounter, a disenchanted architect bumps into his long-lost elephant on the streets of Bangkok. Excited, he takes his elephant on a journey across Thailand in search of the farm where they grew up together.