Watch The Weakness of Strength Full Movie Free Online 123Movies. Through a real estate purchase Daniel Gaynor acquires all rights in the waterway leading from Moose River to the mill. The original owner has never made use of his rights, but Gaynor, whose one thought is to get power, refuses to allow logs to be floated down the river running through his property. The men resent this injustice, and there is a fight between Gaynor and Bill Jackson, Bill representing the lumbermen.