Mattes looks for the van full of plants reported stolen by nursery owner Hannes Heufer, who points at 'green donation'-demanding imp Gesine Schwenkrad. Sge's part of an environmentalist squatting group, which tries to stop developer Peter Nolte turn Bremen city's green parking site 21 into a concrete parking lot. Both sides are surprised to find discrete relationships across the divide.
Pre-teen Leo Brenner shoots himself in the leg with a pistol he found in grandpa Carl's attic, where Leo's mother Susanne wanted to steal er mother's heirlooms from. The weapon was used years ago in a robbery Carl's brother René allegedly witnessed, but they both hide the link to ex-con neighbor Siegfried Kressmann.