Evie pays a visit to the center of London after Jacob's assassinations pf Twopenny. Abberline informs her how the economy of London has come down and someone had stolen the Currency plates. Evie needs to investigate the counterfeits and bring back the currency plates.
Meet Abberline near the Bank of England to know about the crisis. Abberline informs you how people are reacting on Twopenny's murder and also missing currency plates will lead to inflation. Evie agrees to find the counterfeits and also bring back the currency plates back to Bank.
Locate the Counterfeits first and then Tail him to locate the Plates. Once you've located the plates Enter the building and steal the plates there will be a side objective to burn the counterfeit money.
Return to the Bank and also make civilians enter with you(side objective) so they can distract the guards till then you can find the place to return the printing plates. After Returning, Escape the bank and speak to Mr. Abberline in the park and inform him about the Successful Mission. Here is the End of Fifth part of Sequence 7: Unbreaking the Bank.