Goodbye Dear Wife

The series is about a judo teacher Cha Seung-hyuk (Ryu Si-won) who is married to Kang Sun-ah (Hong Soo-hyun) who wanted to be a nun. He had dreams for reuniting his first love, Oh Hyang-gia (Park Ji-yoon), cold-hearted woman.[About:]Goodbye Dear Wife (a.k.a. Goodbye My Wife) is a 2012 South Korean television series, starring Ryu Si-won, Hong Soo-hyun and Park Ji-yoon. It aired on Channel A from May 7 to July 10, 2012 at 20:50 for 20 episodes.[Source: Wikipedia]