A story about the passengers of the inland waterway Heinävesi. Salli, the daughter of the captain, dreams of an acting career and joins a performance by a theater company traveling on a ship.

Young Anna marries Tuomas, an old widower. Tuomas reluctantly sells his forest to the boss of Ruukki and is forced to take in a group of loggers, among whom the handsome womanizer Humu begins to seduce the young mistress of the house.

Love triangle near roaring rapids. Two sisters fight for the attention of a handsome forester.