It introduces 2 new fields in the ticket form, one is Blocked By and the other is Blocking. You can see a Blocking ticket here:
When the ID of a Ticket is entered in Blocked By then the Blocking ticket is also updated.
Sample Blocking ticket from my project (VSNS)
The dependency graph looks like this:
The only thing you need to do after installing the new plugin is include the column id's in your reports, I have them as my last 2 collumns
MaterTicketPlugin Column ID's