Vanishing Time: A Boy Who Returned

Vanishing Time: A Boy Who Returned is a 2016 South Korean fantasy film written and directed by Um Tae-hwa and starring Gang Dong-won and Shin Eun-soo. This is the second feature film by Um Tae-hwa. The idea of the film was strongly influenced by the sinking of MV Sewol which occurred in 2014. Um explained that after the Sewol disaster, the government tried to hide the truth, and therefore he decided to shoot a film where the main theme of which is a search for truth.

Synopsis

After losing her mother, Soo-rin moves to Hwano Road with her new stepfather. Withdrawn into her own imagination, Soo-rin spends her days alone until Sung-min approaches her first. They begin to create memories shared only between the two of them, with secret codes and a world of their own. One day, they head into the mountains with friends to watch a construction site explosion, but everyone mysteriously disappears except Soo-rin, who returns alone.
Days later, a man claiming to be Sung-min appears before her. He tells her that he's become an adult, trapped in frozen time. While only Soo-rin believes him, the police and the townspeople remain suspicious, and Sung-min becomes a fugitive