Jun Soo gets upset at Do Hee for hiring a part-time worker to help him get research for one of is projects. Joo Yeong rejects her mother's request to go to an important event. Do Hee overhears the Team B members joking about Min Ah (team B member) liking Jun Soo. Cheol Soo gives his first paycheck to Jin Joo. Teacher Kim & Doo Hee have some fun at BY Group only to end with bumping into Lawyer Lee. Joo Yeong confirms with Lawyer Lee that she has no chance with him. Hyeon Seok gets injured on the job. Lawyer Lee shows up at Do Hee's house to visit Grandpa Na. Joo Yeong rushes to the hospital to see Hyeon Seok. Jin Joo gives Cheol Soo's paycheck to his mother. Teacher Kim & Man Dol Ahjussi's friendship continues to blossom. Do Hee apologizes to Jun Soo. Joo Yeong asks Do Hee to help her make an alibi since she will not be at home tonight.