S1·E74 Episode 74

MIA is cooking breakfast. Everybody is woken up by her music. YIM grumbles about this. Surprisingly, SUM defends her. She even suggests YIM skipping school and spending a day with MIA. YIM and CHEUNG are puzzled. KIM cannot stand MIA. He wants to teach her a lesson but saves her life instead. KIM and PROFESSOR KING both like MIA. SUM finds it unbelievable that MIA likes KIM better. SUM finds out that MIA has brain cancer and that she refuses to have surgery due to fear. SUM thinks she should tell YIM and KIM. MIA breaks down when YIM advises her to face the reality bravely. SUM gives her a telling off, saying she has failed to do what a mother should do.