Cinderella and the Four Knights

Eun Ha-Won (Park So-dam) is a bright high school senior who dreams of becoming a teacher. Unfortunately, she loses her mother in a tragic accident. When her father remarries and a cruel stepmother moves in and steals Ha-Won’s college tuition, Ha-Won is forced to take on part-time jobs to make her college downpayment. One day, she meets an old man who convinces her to move into a gorgeous mansion with three equally gorgeous men, who also happen to be billionaire cousins and heirs to the Kang family fortune. Between the rebel-minded loner Kang Ji-Woon (Jung Il-woo), playboy money machine Kang Hyun-Min (Ahn Jae-hyun) and the super-sweet singer Kang Seo-Woo (Lee Jung-shin), Ha-Won finds herself in the middle of the hottest love quadrangle to ever befall a modern fairy tale princess. Rounding out the mansion's chaebol lifestyle are Lee Yoon-Sung (Choi Min), who serves as the cousins’ handsome bodyguard, and Park Hye-Ji (Son Na-eun), a gorgeous girl, who's been neighbors/in love with Hyun-Min since childhood. [About:]'Cinderella with Four Knights' is a South Korean television series starring Park So-dam, Jung Il-woo, Ahn Jae-hyun, Lee Jung-shin, Choi Min and Son Na-eun. It aired on tvN from August 12 to October 1, 2016.Based on the novel with the same title published in 2011, the drama is about a group of passionate young people in their 20s who happen to live together. It drew parallels to the 2009 TV series Boys Over Flowers[Source: Wikipedia]