'Heirs' released still cuts from the filming sessions showing the cast putting their full effort into carrying out their scenes despite battling the cold weather.

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To keep themselves warm in between takes, the girls are seen wrapping their blankets and jackets around them like skirts while the boys put on their puffer jackets to keep themselves warm. Lee Min Ho and Park Shin Hye�showed their chemistry while getting cozy in front of a campfire while�Kim Ji Won�also showed her hard work and dedication by not taking her hands off her script, and who could forget Hyungsik�who looks cute no matter what he does!

Their production agency rep commented, "As the weather gets colder, the cast of 'Heirs' passion is only getting hotter and deeper."

Keep warm until the next episode of 'Heirs' this Wednesday!