Xu Cheng, codenamed "Night Owl", is a top undercover agent placed by the "Dark Web" organization in the China Extraordinary Administration. Three years ago, he successfully sneaked into the Administration and was about to steal the highest authority of the "Space-Based Psychic Array". However, on the eve of the operation, he accidentally bound a "portable convenience store" from another dimension - a golden finger that can refresh all kinds of magical products and even connect all the worlds. What's even more outrageous is that this convenience store does not sell weapons or martial arts, but only snacks, instant noodles, oden, and daily healing items.
This undercover, who was supposed to be cold-blooded, started running a convenience store downstairs in the management office in order to hide his identity. While using the food and warmth from the convenience store, he unintentionally healed the tired and lonely extraordinary people in the administration; at the same time, he secretly completed the sabotage tasks assigned by the organization. But gradually, he discovered that the purpose of the "Dark Net" was not to simply steal technology, but to destroy the "cornerstone of trust" between the Authority and humans. As for himself, after being infiltrated by the smoke and smoke of the convenience store day after day, his frozen undercover heart began to waver...
