What is Love on the Danube: Love Song about? While traveling with her mother on a European Riverboat cruise, Sarah (Nanzeen Contractor) meets Jack (Wes Brown), who is traveling with his father.

Love Song starts the series off strong when a woman meets a man on their cruise and they conspire to set up their single parents who are on the cruise too, only to realize they like each other.

Here's how to watch the new Hallmark film, "Love on the Danube: Love Song," for free online if you don't have cable.

A woman and man meet on a river cruise and, after attempting to set their parents up as a couple, realize they are the ones who have fallen in love on Hallmark's Love On The Danube: Love Song.