Supernatural, Josei, Romance, Mystery, Webtoons
- The story begins with an accident, in which Yuan Xiao Jia loses her fiancee to an explosion
- In her grief, she finds his old phone, but even without a SIM card a mysterious message appears
- A mystery then unfolds as she discovers that the young boy on the other end is from 10 years ago
Male lead Hei Tian Yi is a police officer, who died in the line of duty in 2014. 2 years later, his fiancee Yuan Xiao Jia, not wanting to stay in the city full of memories with him, decided to move, and when packing, found Tian Yi's old cellphone. On a dark night, this cellphone, with no SIM card in it, received a message...