share time: 2025-11-03 12:30:26
As a global extreme heatwave sweeps across the world, with city surface temperatures exceeding 50℃, 8-year-old Xiaotang suddenly bonds with the "Earth Cooling System"—her tasks are childish ones like "collect 100 kids' smiles" or "grow a potted plant that blows cool air". But she has no time to question the system's oddity: her mom, a meteorologist investigating the root of the heat, is being tracked by mysterious men; her grandma's heart disease is at risk in the sweltering heat; her dad is exhausted from delivering ice to earn money for cooling. Xiaotang uses "rain gum" to create a mini rain for grandma's ward, uses "cool stickers" to help dad disguise as a "low-temperature target" to evade trackers—hilarious moments follow (like blowing a gum bubble so big that she wraps herself into a rain ball rolling into the security room). But as tasks escalate, she uncovers a big secret: the heatwave is actually alien civilizations siphoning Earth's "cold energy", and she, the "smallest savior", must use her childlike wisdom to pretend to be a kid playing games while quietly saving her family, and even uncovering the truth behind the heat...
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