Passionate Love is an upcoming South Korean weekend television drama series starring Sung Hoon and Choi Yoon-young. It is set to premiere on SBS on September 28, 2013, airing every Saturday and Sunday at 20:45 for 50 episodes.

The series is about an incident that takes place when the owners of the boarding house called 'Guest Summer Palace', which breaks stereotypes, and boarders with secrets gather to find Lee Seol who disappeared 13 years ago.

Kang Poong-ho is a pest exterminator by day and a K-1/mixed martial arts fighter by night. He is a single father raising his 7-year-old son Kang San after the boy's mother, his first love Yoon So-yi, abandoned them to pursue her ambition of becoming a pianist. Despite life's trials, Poong-ho never loses his optimism and sense of humor.

He meets and falls in love with Jeon Ha-ri, a bright and bubbly medical student from a wealthy family. An obstacle to their romance arises when they learn that Ha-ri's soon-to-be stepmother is none other So-yi and that it was Ha-ri's surgeon father Jeon Ki-suk who sponsored her piano studies abroad. As So-yi re-enters their lives, San is diagnosed with a brain tumor. Poong-ho is willing to go to any lengths to save his beloved son.

Tong Nian is a genius 19-year-old student with high IQ and low EQ, who is also a famous anime cosplay person and sings well. She’s falls in love at first sight with Han Shang Yan, who is a game genius in the e-sports world and never pays attention to the girls.

Song Xing Chen is a 29-year-old doctor with a difference: While all of her co-workers are focused on performing well and making money for the hospital, she cares more about her appearance and fashion. Some think she used her good looks to win herself a top position at the hospital. But she drops a bombshell on her colleagues at her promotion dinner – by announcing she wants to quit!

Now, instead of following the path her family set out for her, she has decided to go her own way. As she begins her “new” life, she witnesses a fearless man rescue a helpless dog from a window ledge. This man turns out to be a lifetime singleton and single-minded rescue team leader named Su Qing Che. Later, their paths cross again – as they meet (and bicker) on a blind date. Is this to be the beginning of a fresh rivalry... or a budding romance?