Actress Song Hye Kyo gave a sweet surprise to the staff on her drama.

The actress gave the cast and crew of SBS drama “That Winter, The Wind Blows” chocolates she personally wrapped and handled for Valentine's day.

The actress wrapped about 80 sets of chocolates to the staff that didn’t even realized it was Valentine's day, in gratitude for the hard work they are putting into making the drama.

An insider from the drama said, “Thanks to Song Hye Kyo's sweet gesture, the atmosphere on the set brighten. Male staff were specially happy to receive chocolate from the actress.”

Song Kye Kyo also surprised the staff a few days before by figuring out shoe sizes of the crew and giving them running shoes.

Meanwhile, “That Winter, The Wind Blows,” successfully debuted this past Wednesday Feb 13th, with 12.8% of ratings.