Stairway to Heaven 1x19

Song Ju invites people and announces that he's marrying Jeong Seo. Mi Ra furiously makes a huge fuss there, and Tae Hwa and his father show up and reveal everything about what happened five years ago including Jeong Seo's accident. Both Song Ju and Tae Hwa ask the doctor if they can donate their corneas to Jeong Seo.