Betty, the daughter of ship owner Cappy Ricks, falls in love with Willie Hinchfield, the son of Cappy's hated business rival. When the son and daughter start to work for their respective parents, business difficulties increase, and many comic situations result from their efforts to conduct a secret romance. Willie steals one of the best customers of the Ricks line, and one of Cappy's tugs goes to the rescue of a steamer near the Golden Gate. The steamer makes port on schedule for the delivery of cargo, and Willie explains his actions to Betty, who agrees to accept his marriage proposal. Ricks and Hinchfield decide they will have to become business partners in order to avoid conflicting business interests.