'What will happen when your own child has 3 dads ? ' Ham Eunjung and her husband, Kim Soo Hyun desperately want a child, but Soo Hyun is unable to get her pregnant. Eunjung  suddenly loses her husband in an accident, and afterwards gives birth to a daughter.  But Eunjung does not know which of her husband’s friends fathered her child. The father of Eunjung’s child can either be Wu Yi Fan ( Kris ), Oh Sehun, or  Park Chanyeol. 

Ham Eunjung

■25 years old

■ Mom

■ Has a child named minjung

Kim Soo Hyun

■ 25 years old

■ Died when Eunjung gives birth

■ Kind

Kris

■ 24 years old

■ 1st dad

■ CEO company

Oh Sehun

■ 24 years old

■ 2nd dad

■ Composer

Park Chanyeol

■ 23 years old

■ 3rd dad

■ Student College