On the night of her upstairs neighbor's Seventh Day, Luna Wallace is too scared to go out. While scrolling on her phone, she accidentally connects to a signal from the underworld and is pulled into the Netherworld Chat. Unexpectedly, a message in the chat reveals that Luna Wallace will die tonight. Just when she thinks her death is certain, the ghosts in the group start providing information, helping her take a risky path to escape her fate.
