Sarah Louise Platt

[Dazzle]

What does she think Callum does for a living? Where does she think he gets the money from to buy her expensive presents?

she heard the tales of his drug dealing but chooses not to believe even her mother about him

He said he owns his own security business - whatever that means. I suspect she knows very well her mother was correct about the drugs, but she'll turn a blind eye to it as long as it pays for expensive presents.