A dead promise

After fifteen whole years of Peeta asking Katniss for children she finally agrees. She never expected feeling so complete with her young daughter -Willow. Everyone in Panem are happy about it except Katniss's old best friend -Gale Hawthorne. After moving to district two he manage to find a wife and make family away from Katniss but the feelings he kept away come back to him stronger when he finds out about Katniss being pregnant with Peeta's children.
What happens when his pride and joy, his own daughter falls in love with Rye Mellark? Will he put away his anger for his daughter's happiness or will he let the anger conclude him?