Yian, starting to go to kindergarten, often asks his parents to help him find his past life parents. However, doctors and his parents just think it might be psychosis with him. Meanwhile, his parents are under negotiation for a separation. His mom Yaji decides to move out with him while his dad Haoteng decides to look after Yian’s ill grandfather. Since his parents are busy with their current life, Yian leaves his wish to his grandfather , however, it failed again with the death of his grandfather.

After the funeral, Yaji and Haoteng tried to reconcile again and help Yian find his past life parents. Will Yian find the real parents in his past life ? Is it all true ? What will the journey influence this family?