Why did you ?

12 years ago when Draco and y/n were in 6th year Draco broke up with y/n to marry Astoria. The thing is Draco didn't know that y/n was pregnant with his child. 10 years later they reconnected but this time things are different y/n has a family. So now he is trying to come back to here life but there is so Many things in her life happening. Like trying to find her missing son .