Sunshine Nan is a surviving[1] 1918 American silent comedy-drama film starring Ann Pennington and directed by Charles Giblyn.

It is based on the novel Calvary Alley by Alice Hegan Rice.

[2][3] As described in a film magazine,[4] Nance Molloy (Pennington) and Dan Lewis (Hines), children of the slums, are sweethearts.

MacPherson Clark (Barthelmess), son of the owner of the factory, endeavors to steal the formula of a dye developed by Dan, but Nan frustrates his efforts.

The patent for the dye brings wealth to Nan and Dan and they are wed.