In the vast space, the astronauts lost connection with the ground. He recalled his greatest father in the most desperate situation. Father and son run across time, guarding love and family. The story is full of joy, warmth, tears and wonders.
When art student Kangsheng returns to his remote hometown village with his classmates to search of ancient murals, they are witness to a fatal car accident. Kangsheng's girlfriend Wangzhi unintentionally interrupts the local witchcraft ritual for the deceased. Horrified, the group flee the scene and settle at the inn owned by Kangsheng's mother. The following day, out searching for murals, the group find instead a mysterious hand-painted sign in a cave. The surprises are only beginning.