After Ep13  -- its not spoiler  

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 Suji   --  doctor girl  -- also famous for her tv shows.

Wuri -- doctor boy - released  from military 

Around ep13 ;

We learned ; suji doctor girl mother left home

Never came back.

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Also we see ;  Wuri's(Doctor boys) mother had accident ( fall from building while doing window cleaning )

it seems like wuri and suji  has the same mother.  

The mother is currently working in diner ..

The boy says her mother , mother.. 

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in upcoming episodes, Drama hints that there is gonna be romance between   suju and wuri   ???

Questions:::::

1) is  wuri (Doctor boy)  Really  her son???

    -- that means suji and uri siblings!?!?

2) also if wuri is  her son ?? Who is the father??

     I have watched till ep24 -- still no info who is his father

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**Note** if answers are spoiler - dont give me spoiler.

Please say  ""you'll get answer at  ep  88""  for example 

Other wise if i have missed something, please say it..