It's wrong to abandon someone when they need you most.
Alex's son from a previous marriage has messaged Alex saying his mom is abusing him and that he wants to come live with Alex.
Alex wants to keep his current family happy.
Alex tells his family about his son's situation and works out an agreement with his wife.
Alex ignores his son so his current wife and children won't have to deal with his son.
Alex's son is able to get away from his father and have some stability in his life.
Alex's son continues to suffer from his mother's abuse and feels abandoned by Alex.