Piet Piraat is the great-grandson of the notable pirate Karel Karolus Piraat. Grandpa Karolus once found a treasure. He hid the treasure in the ground and made a treasure map, but forgot to identify the place. Now Piet Piraat roams the great waters with his ship 'De Scheve Schuit' in search of adventure. He is a tough sailor but has a gingerbread heart.

But Piet Piraat cannot do it alone, he has his 3 friends. They eat chunks of bread on the crooked barge. That bread baked by Berend Brokkenpap. His chunky bread is delicious but his soup is way too weak. And they never sail lost, because the helmsman is Stien Struis! She's as strong as a beer, but she's as strong as a mouse. And Steven Quiet, you never hear him, because he can't talk. Even if he really wanted to, he never sings along with the lie!

These sailors are also there for each other during busy times. All chickens are on deck for Piet Piraat and his crazy gang!