Could a curious wall painting discovered in the bedroom of a Surrey cottage be the work of one of the pioneers of modern British art, Ben Nicholson? If it is, can it be safely removed from the cottage before an extension is built?
Henrietta Sitwell inherited a sketch of a mother and child she believed to be by the 20th-century artist Amedeo Modigliani, but she has also been told it might not be genuine. Can the team find some answers?
The team investigate a charming little landscape of a French village with a river running through it, purported to be by one of the founding members of the 19th-century impressionist movement, the British artist Alfred Sisley.