A man and a woman meet at their most bleak moments and fall in love. Years later, the highly educated Jung Yi Hyun (Sung Yuri) suffers from retrograde amnesia and can’t remember her life between the ages of 17 and 27, despite being gifted and having a genius-level IQ. She doesn’t understand how she can be married to Hong Gyung Doo (Yoo Joon Sang), a poor, uneducated man, and have a daughter, Hong Hae Deum (Kal So Won), who takes after her genius brain. Yi Hyun tries to use her intellect to piece together the missing years of her life. Can the humble Gyung Doo help Yi Hyun remember and make her realize how they chose this life together? “Birth Secret” is a 2013 South Korean drama series directed by Kim Jong Hyuk.