STORY LINE (in english):
'Bernd Laschke, a thief is released from prison and hides from the members of the gang he used to belong to.  That is why he wants to move to the GDR with his family, but due to his criminal past he is sent back to West Berlin, and some time later
his family also returns from the GDR.  

Laschke is wanted by Jerry, a gang boss and two other 'gang members "Frankenstein" and Stocker, because they fear he might betray them all. Jerry had not kept to the agreement and neither gave Laschke any perks in prison nor did he give him his regular
share.  Laschke's wife and his son are also looking for him and since they cannot get any further through the registration office, they contact the police, where police commissioner Kasulke becomes aware of the case.  After all, the other gang members
could never be caught.  They are still doing their mischief' like 'extortion for protection money and' robbing 'drunks.  One of them even asks Laschke's son, where his father is hiding. 

Laschke is' soon 'found by the gang.  Kasulke, had been awakened by a phone call informing him that Laschke was sighted.  'In the back room of the bar of the "fat one", the gang members surprise Laschke, but he' had 'a pistol himself and' turned the
tables.  'He drives away with Jerry as a hostage and' convinces 'him' to 'realize that there are a few things that are good for him. 

Laschke leaves Jerry battered in a garbage dump, then' robs 'Jerry's safe, and is eventually accepted as the new boss by the rest of' Jerry's 'gang.  Later, Jerry's gang rescues him from the dump site.  However, commissioner Kasulke tracks down three
gang members: "Frankenstein", Stocker and Rudi. 

Jerry kidnaps Laschke's son and demands the stolen money from the safe as a ransom.  Laschke shoots Jerry at the handover, but is then shot himself on behalf of Felix, the boss of another gang.  Jerry's friend had asked for his help, hoping that the
old "order" would be restored.  Before the police arrive at the scene, Felix' is able to 'escape undetected ...

SOURCE: (updated)
from Wikipedia Germany, Wikipedia the free encyclopedia -- https://de.zxc.wiki/wiki/Tatort_(Fernsehreihe)#Liste_der_Tatort-Folgen (see: 'Main article : List of crime scene episodes')

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