Here is a visual rundown of what happens in the Parsha
The Four Terms of Redemption
When God tells Moshe about his plan to free the Jews, there are four terms God mentions. These four terms are understood to refer to four stages of redemption. They signify that God sought to completely transform the Jews from a ragtag group of slaves into an elevated and holy nation.
The 7 Initial Plagues
Vaera contains 7 of the 10 plagues God unleashes upon the Egyptians. These plagues demonstrated that God and God alone had complete control over ever facet of nature. It is interesting to note Pharaoh’s responses which become increasingly desperate, even as he continues to resist giving in.