Dynamic argument based on exposed filter

Drupal Noob Here. I want an argument (i think) that "filters" out data based on the value a user selects through an exposed date filter.

Sample Schema:

A -> B
|
C -> D -> B
|
E
|
F

A and D both have multiple references to B nodes. A and D do not share the same B nodes. B and F content types both have date fields. The exposed date filter is for the F date field. All of these content types are connected via relationships in the view. I want my view to select only the B nodes whose date fields are equal to that of the F node's date_field (i.e. the exposed date filter value). I was thinking this might be done with an argument, but I really have no clue. Thanks!