Coronation Street's Steve McDonald (Simon Gregson) and Tracy Barlow (Kate Ford) could find themselves driven apart as his son Ollie battles Mitochondrial Disease.
Coronation Street spoilers have revealed Leanne Battersby (Jane Danson) and Steve will worry that their son will die after he is diagnosed with the life-threatening illness.
As the couple panic for their child, who has been suffering seizures, as they were told that there is no cure for the muscular disorder.
As fans watched Leanne break down and push her partner Nick away as they clashed over Ollie's health, it looks like the couples will be pushed to the brink by the stress.