Roger Grove is introduced in Mr Selfridge as the Chief of Staff. It is said he has an invalid wife, Harriet (Hettie) Grove, who dies after 12 years of marriage. During their marriage, Mr Grove begins an affair with Josie Mardle. This affair is noticed by Agnes Towler, who uses it to her advantage to convince Mr Grove to employ her brother, George Towler, in the loading bays at Selfridges.