Martin finds out he's not Arthur's dad in EastEnders

(Image credit: BBC/Jack Barnes)

Martin realises the truth when he reads Stacey's unsent letter on EastEnders

(Image credit: BBC/Jack Barnes)

(Image credit: BBC/Jack Barnes)

(Image credit: BBC/Kieron McCarron)

(Image credit: BBC/Jack Barnes)

(Image credit: BBC/Jack Barnes)

(Image credit: BBC/Jack Barnes)

(Image credit: BBC/Jack Barnes)

(Image credit: BBC/Jack Barnes)

(Image credit: BBC/Jack Barnes)

(Image credit: BBC/Jack Barnes)

(Image credit: BBC/Kieron McCarron)

(Image credit: BBC/Kieron McCarron)

(Image credit: BBC/Kieron McCarron)