The Prince & The Marriage Pact: Harlequin comics (Carramer Trust #3)

Love or the throne…? She knows the prince won’t choose her.
“No marriages outside of royal families…” This has supposedly been the royal family’s pact for two hundred years. Annegret, a TV producer, is looking for a mysterious painting that is rumored to prove this pact. Snooping around the palace, Annegret soon finds herself in trouble but is saved by none other than Prince Maxim. She starts to fall for the sincere, passionate prince. But she knows there is no future for her, a commoner, with a member of the royal family.