In 2052, a Nobel Prize-winning neuroscientist develops a drug called Hapna — a cure-all that has the unexpected side-effect of causing death three years later. In response to this threat, a special force of agents—nicknamed "Lazarus"— is assembled to take on the malevolent Skinner.

Welcome to Ward 816, a place filled with incredible children who are true warriors. Each of them carries a badge symbolising their strength in fighting various diseases. In this bustling ward, there's a special group, including Yuan, Shi-yan, Heng, Nuala, Jia-nong, and Da-shan. Despite their parents' occasional arguments, they always come together to support one another when it matters most.

In 2052, a Nobel Prize-winning neuroscientist develops a drug called Hapna — a cure-all that has the unexpected side-effect of causing death three years later. In response to this threat, a special force of agents—nicknamed "Lazarus"— is assembled to take on the malevolent Skinner.