Struggling jobseeker Go Mi Ran (Won Jin Ah) and TV producer Ma Dong Chan (Ji Chang Wook) agreed to an experiment that promised a cash payout in return for spending 24 hours in cryogenically-frozen sleep. However, upon waking up, they’re shocked to find they’ve been frozen for 20 years! With their bodies unaged but the world around them drastically different, they must navigate their new lives in the future while keeping their body temperature low, as any rise could be fatal. As they grapple with their new reality and unravel the mystery behind their extended slumber, unexpected romance blooms between them, threatening their very survival. Will they overcome the heat of their budding relationship and uncover the truth behind their 20-year freeze? This 2019 South Korean drama series was produced by Shin Woo Cheol.