The Secret of Birth

The Secret of Birth is a 2013 South Korean television series that aired on SBS from April 27 to June 23, 2013, on Saturdays and Sundays at 22:00 for 18 episodes. It stars Sung Yu-ri as a genius amnesiac who pieces together her own life in the wake of her memory loss, while Yoo Jun-sang plays her husband who sets out to reclaim what they once had.

Plot
Jung Yi-hyun is a genius, but she suffers from psychogenic amnesia and does not remember her husband and young daughter. Hong Gyung-doo is uneducated and poor, but he's a loving father to young Hae-deum, who's inherited her genius from her mother. Yi-hyun and Gyung-doo met just as both were on the brink of suicide, and they'd decided to choose life together. The drama is about Yi-hyun's journey to putting together the pieces of her lost memory with her husband's help, a man who seems completely unsuited for her. The story explores the relationship from the viewpoint of both parties.

Cast

 * Sung Yu-ri - Jung Yi-hyun
 * Kim So-hyun - young Yi-hyun
 * Yoo Jun-sang - Hong Gyung-doo
 * Kal So-won - Hong Hae-deum
 * Lee Jin - Lee Sun-young
 * Lee Hyang-sook - young Sun-young
 * Kim Young-kwang - Park Soo-chang
 * Kim Kap-soo - Choi Kook
 * Lee Hyo-jung - Choi Seok
 * Han Sang-jin - Choi Ki-tae
 * Jin Hyuk - Choi Ki-joong
 * Yoo Hye-ri - Mrs. Jo, Choi Seok's wife
 * Jo Mi-ryung - Shim Yeon-jung
 * Jung Suk-yong - Tae-man
 * Shin Seung-hwan - Jong-tae
 * Park Eun-ji - Kwang-sook
 * Seo Hyun-chul - Go Eun-pyo
 * Kim Hye-jin - Lee Hye-young
 * Choi Su-rin - Jung Joo-gyum

International broadcast

 * It aired in Japan on cable channel KNTV from April 27 to June 23, 2013 with Japanese subtitles.
 * It aired in Vietnam on VTC9 Let's Viet from March 12, 2015.