![](https://image.tmdb.org/t/p/original/4Yrmz0Lb36cDW3uC2uzBYLcNRz4.jpg)
![](https://image.tmdb.org/t/p/w342/ddVzqtmnJj0SIzXpavvvlT2T7Zu.jpg)
Need to Know (part 1)
A suspicious exchange brings the Antwerp State Security team on the trail of Bruno Lanssens. To whom does the ambitious man sell sensitive information? To find out more, Alexander makes a bold decision.
![](https://image.tmdb.org/t/p/w300/1WsZ9Vye6YEoSnpRIhxjWphItIm.jpg)
Other episodes for this season
![Need to Know (part 1)](https://image.tmdb.org/t/p/w300/4Yrmz0Lb36cDW3uC2uzBYLcNRz4.jpg)
![Need to Know (part 2)](https://image.tmdb.org/t/p/w300/D6odY0w1q3KDZkJLRZOeBzsjiI.jpg)
![Red Flags](https://image.tmdb.org/t/p/w300/s7XcWY8sMoUhiIL21kF5QN9VTJG.jpg)
![The judgment](https://image.tmdb.org/t/p/w300/v2j7nAbhHflLIbdCJEH4Onr6Ri4.jpg)
![Biting Bugs](https://image.tmdb.org/t/p/w300/juD8ocDkw0ZFmalnPjFXEUnfsor.jpg)
![Rosetta](https://image.tmdb.org/t/p/w300/6VsfPbY0cTpH81u8FKWbMDXp39s.jpg)
![Homeland](https://image.tmdb.org/t/p/w300/qNr54HCrvxhQLX265slIqRjb5Qt.jpg)
![Madame Butterfly](https://image.tmdb.org/t/p/w300/6QYRnX9gtAcHkJCwlncWz8pfUBP.jpg)
![The Butterfly Effect](https://image.tmdb.org/t/p/w300/z2g1QYJhsye0G7a85SJ3EA91Biu.jpg)
![Raphael](https://image.tmdb.org/t/p/w300/iq1Y1007pcyoWHktk90GexqNNCG.jpg)