A decade after a man loses his first love, he falls in love with her younger sister only to face the intertwined tragedies of their two families that was caused by their parents. Kang Moo Yeol (Sung Hoon) lost the love of his life, Han Yoo Rim (Seohyun), but unknowingly falls in love with her younger sister, Han Yoo Jung (Choi Yoon Young), 10 years after the tragedy. Moo Yeol’s half-brother, Hong Soo Hyuk (Shim Ji Ho), also falls in love with Yoo Jung. But will Moo Yeol and Yoo Jung be able to move forward with their ill-fated relationship when they realize the roles that their parents played to bring them to this point in their lives? “Madly in Love (aka Passionate Love)” is a 2013 South Korean drama series directed by Bae Tae Sub.