A family fighting the stay together

a dad and mom of 3 boys , the mom and dad both have mental health disorders who have been struggling with homelessness on and off and because of this dss temporarily put kids in a foster care that the boys have been getting treated like shit oldest son is depressed and being accused of lying and stealing there and getting middle son is getting bruises and hurt and the baby is always seeming sickish and the oldest and middle sons getting bullied , the mom and dad are in daily agony from not being able to be there with their 3 sons and been constant obstacles for them along the way but they keep fighting to push past every struggle life throws at them to get their mental health under control and find a home to be able to bring their sons back to them, the mom and dad are heartbroken from missing their sons and the sons are miserable and unfortorable at that foster home and miss their parents a lot