"They're going to take Ningning's heart... Mom told me to call you, Dad! Please save me...",Suddenly, a string of curses came from the phone, followed by a loud slap... The piercing sound must have been Xiao Ningning's phone being smashed.,Gu Nantian pretended not to see, instead he went to the little boy's side, with a loving expression on his face. "Son, don't be afraid of the pain later, after this surgery, you'll have a healthy heart."。