Lesley Pearce was the wife of Phil Pearce and is the mother of Diane Pearce. Their marriage started to crumble and she was sick of his ambition but never delivering the results. After Phil did not come home, Lesley tracked down Phil in October 1986, wondering why he had left her and Diane, not knowing he had moved into Mill Cottage with his younger mistress Sandie Merrick. Phil stayed with Lesley as he didn't want a divorce but Phil and Sandie's affair was discovered and it wasn't long until Lesley found out too. Lesley announced her intention of filing for divorce and preventing Phil from having access to Diane.