1x7 - Three Bold Siblings

Sang Jun feels the need to make an official and sincere apology to Tae Ju and makes a surprise visit. What is supposed to be a quick apology turns into a mess when Tae Ju’s mother also makes an unannounced visit. Meanwhile, So Rim is unaware of the fact that Nam Soo is two-timing her or that his new girlfriend is one of her students.