4 & Counting is a short story that gives you more of an inside look at Shea and Elli Adler who were introduced and fell in love in the first book of the Assassins series, Taking Shots. Over the first three books readers have watched them fall in love and begin a family. In 4 & Counting Elli’s birth of their twin boys, Evan and Owen is coming near but also she is having a few issues with her Assassins starters, Erik and Phillip.