After 12 years Albert gets out of prison that has become his home. He makes a crooked deal with Steffen but regrets it when he falls in love with Antje. Harry misses her partner; is Hauke the right successor?
On Mother's Day Frau Küppers gets a visit in the office from her mother who claims that someone stalks her. Julie is annoyed by her hoarding mother. Right-hander Lothar injured his 'good' hand. Hauke's pin-up poster causes consternation.
Colleagues gather money for Nicky; one of these bank notes is falsified. Money has been stolen from Else; was it her caregiver Jens? Hauke could join the police motor team. Hannes asks him and Harry to get a scandal video from Sandra.
Internal control aims at Dirk's unsound practices and bribes Katja. What has Lange to do with Frau Küppers? The first take of Ammo and artists Fritjoff and Friederieke has been stolen. Weapon check on the police station. Henning is back.
Nicky collides with a young guy who hides a brooch for her. Norbert reports a stolen brooch. Sonja is pregnant by Christoph, Linda's husband, who doesn't know that. 3,000 Euro is stolen from the cash box of their firm.