The Call (2020)

2019. Seo-yeon, 28, returns home to the country. The father died a long time ago, and the relationship with his mother, who is in the hospital, has not improved. Seo-yeon has lost his cell phone, so he turns on his landline and starts receiving strange calls from the girl asking for help. It seems that the foreigner's name is Yong-suk, she is also 28 years old and lives in the same house, but in 1999.